Wednesday, November 27, 2019

Free Essays on Cisco

Cisco Systems - World's Leading Network Hardware Products Cisco Systems, Inc. is the worldwide leader in networking for the Internet. Cisco operates in one industry segment and creates hardware and software solutions that link computer networks so that people have easy access to information without regard to differences in time, place or type of computer system. Networking is a multi-billion dollar global market whose growth is spurred by the belief that the Internet is changing the way we work, live, play, and learn. Over the last year, there has been a key shift in the role of the Internet and in how the Internet is perceived. What was once a fairly complex tool used by an elite group of highly technical individuals is now a technology driving economic change globally by creating new jobs and market opportunities. The Company markets its products through its direct sales force, single and two-tier distributors, value-added resellers, service providers and system integrators. This multiple-channel approach allows customers to select the channel that addresses their specific needs and provides the Company with broad coverage of worldwide markets. Customers benefit from Cisco networking solutions through more efficient exchange of information, which in turn leads to cost savings, process efficiencies, and closer relationships with customers, prospects, business partners, suppliers, and employees. Cisco solutions are the networking foundation for companies, universities, utilities, and government agencies worldwide. The Company was founded in late 1984 by a small group of computer scientists from Stanford University seeking an easier way to connect different types of computer systems. Cisco Systems shipped its first product in 1986. Since then, Cisco has grown into a multinational corporation with over 10,000 employees in more than 200 offices in 54 countries. Cisco's products encompass the broadest range of networking solutions ... Free Essays on Cisco Free Essays on Cisco Cisco Systems - World's Leading Network Hardware Products Cisco Systems, Inc. is the worldwide leader in networking for the Internet. Cisco operates in one industry segment and creates hardware and software solutions that link computer networks so that people have easy access to information without regard to differences in time, place or type of computer system. Networking is a multi-billion dollar global market whose growth is spurred by the belief that the Internet is changing the way we work, live, play, and learn. Over the last year, there has been a key shift in the role of the Internet and in how the Internet is perceived. What was once a fairly complex tool used by an elite group of highly technical individuals is now a technology driving economic change globally by creating new jobs and market opportunities. The Company markets its products through its direct sales force, single and two-tier distributors, value-added resellers, service providers and system integrators. This multiple-channel approach allows customers to select the channel that addresses their specific needs and provides the Company with broad coverage of worldwide markets. Customers benefit from Cisco networking solutions through more efficient exchange of information, which in turn leads to cost savings, process efficiencies, and closer relationships with customers, prospects, business partners, suppliers, and employees. Cisco solutions are the networking foundation for companies, universities, utilities, and government agencies worldwide. The Company was founded in late 1984 by a small group of computer scientists from Stanford University seeking an easier way to connect different types of computer systems. Cisco Systems shipped its first product in 1986. Since then, Cisco has grown into a multinational corporation with over 10,000 employees in more than 200 offices in 54 countries. Cisco's products encompass the broadest range of networking solutions ...

Saturday, November 23, 2019

Free Essays on A Tragic Day

â€Å"A Tragic Day† It was a cold winter day in December, my cousin who lived in California was visiting us and was here to take of his own business which is in located in Downtown. My mom was cooking, my brother was sleeping, my dad was watching television and I was with my friend getting ready to go out. It seemed like any other normal day with no expectations of what was about to happen. My mom had called my cousin to ask him what he wanted for dinner, he joked around with my mom, like usual, and told her what he wanted to eat. About ten minutes later the phone rings and my brother picks, he quietly walked to the bathroom after hanging up, the phone rings again but this time my dad picks up, after a minute I hear my mom crying and screaming. Me and my friend got worried and stepped out of my room to find out what was wrong, I had not expected for what I was to hear, I kept on asking what was wrong but got no answers. After a minute, my dad tells me my cousin got shot; we did not know what really at that point. My family and I rush out of the house, thinking his at the hospital and that he will be okay, but minutes later my brothers friend calls to let us know that he has passed away. There were so many questions going trough our heads at that time and still are till now, we had no clue what had happened since, my mom had spoken to him ten minutes earlier and everything seemed alright. After reaching at the store where his body was still lying, we find out that he had shot himself while playing a game called Russian Rolaids. We don’t know why he played such a dangerous game, so many of his friends, including my dad had tried to stop him from playing, but unfornately he did not listen. We still don’t know what drove him to commit suicide, even tough he would talk about death and now we realize that we should have got him help. The hardest part was informing his parents and fiancà ©, who are living in Pakistan and were expec... Free Essays on A Tragic Day Free Essays on A Tragic Day â€Å"A Tragic Day† It was a cold winter day in December, my cousin who lived in California was visiting us and was here to take of his own business which is in located in Downtown. My mom was cooking, my brother was sleeping, my dad was watching television and I was with my friend getting ready to go out. It seemed like any other normal day with no expectations of what was about to happen. My mom had called my cousin to ask him what he wanted for dinner, he joked around with my mom, like usual, and told her what he wanted to eat. About ten minutes later the phone rings and my brother picks, he quietly walked to the bathroom after hanging up, the phone rings again but this time my dad picks up, after a minute I hear my mom crying and screaming. Me and my friend got worried and stepped out of my room to find out what was wrong, I had not expected for what I was to hear, I kept on asking what was wrong but got no answers. After a minute, my dad tells me my cousin got shot; we did not know what really at that point. My family and I rush out of the house, thinking his at the hospital and that he will be okay, but minutes later my brothers friend calls to let us know that he has passed away. There were so many questions going trough our heads at that time and still are till now, we had no clue what had happened since, my mom had spoken to him ten minutes earlier and everything seemed alright. After reaching at the store where his body was still lying, we find out that he had shot himself while playing a game called Russian Rolaids. We don’t know why he played such a dangerous game, so many of his friends, including my dad had tried to stop him from playing, but unfornately he did not listen. We still don’t know what drove him to commit suicide, even tough he would talk about death and now we realize that we should have got him help. The hardest part was informing his parents and fiancà ©, who are living in Pakistan and were expec...

Thursday, November 21, 2019

A guide through Prague,its rich history and heritage Research Paper

A guide through Prague,its rich history and heritage - Research Paper Example A guide through Prague, its rich history and heritage The scenario of national and international travel and tourism is undergoing rapid change due to the rapid development in transportation and communication facilities. Within this context, travel guides play a vital role because the same provides firsthand experience to those who wish to have deeper understanding of the cultural heritage of world societies. Travel guides are generally considered as the window to the historical and cultural heritage of a society, which is most helpful for international tourists. Within the context of tourism in Czech Republic, Prague has a unique place because Prague is the meeting place of history and cultural heritage. Thesis statement: The travel guide to Prague proves that its rich history and cultural heritage, including historical buildings and significant artifacts, act the role of an innovative medium to exhibit and share its secrets with tourists, especially international tourists (special r eferences to the history of Prague, historical monuments, and significant artifacts). General information: Prague, the capital city of Czech Republic is generally considered as the historical and cultural hub of Central Europe. Besides, Prague is the largest city in Czech Republic, a former communist ally in Europe. ... During the Renaissance era, the cultural context of Prague underwent rapid transformation. Besides, Prague was the renowned capital of the Holy Roman Empire in central Europe. On the other side, Prague was an important city during the reign of Habsburg Monarchy. The Austro-Hungarian Empire, which was an alliance between Austrian Empire and the Kingdom of Hungary, provided ample importance to Prague. One can see that the interaction with these empires deeply influenced the cultural context of Prague. During the modern age, especially after the WWI, Prague underwent another change due its position as the capital of Czechoslovakia. On the other side, most of the cities in Europe were destroyed by WWI. But WWI did not hinder cultural change in Prague. Within the context of religion, Protestant Reformation influenced Prague to an extent. For instance, the Protestant believers constructed a number of independent churches in Prague. Besides, the Thirty Years War deeply influenced the politi cal context of Prague. One can see that the Thirty Years War was the end result of the difference in religious belief (Protestants and Roman Catholics) in Europe. Later, this religious conflict in the Central Europe developed into an internal conflict among the major nation states in Central Europe. To be specific, Prague was one of the cities in Central Europe which was influenced by religious and political transformation of Europe. During the time of Communist influence in Europe, Prague accepted the basic elements of Communism. But historical events never hindered the cultural development of Prague. For instance, there are a number of major museums and galleries in Prague, symbolic of the cultural heritage of Central Europe. So, one can

Wednesday, November 20, 2019

The Brand Promotion of Tesco in Beijing City, Research Proposal

The Brand Promotion of Tesco in Beijing City, - Research Proposal Example The research methodology is explained in terms of selection of the methodology, and the process employed for data collection, processing and analysis. The thesis of the research to be undertaken is the assessment of the brand promotion of Tesco in Beijing city, particularly related to the sales promotions strategy and tactics employed by the company to target the house wives segments for its products and services. The purpose of the proposed research study is to be able to analyze the marketing strategies that are employed by the retailer Tesco in China. More specifically the role of sales promotion as used by the company to target the housewives of the Beijing city is analyzed to determine the effectiveness of the sales promotion, the change in consumer perception due to promotions, the changes in the consumer behavior as a result of the promotion and the contribution that it makes to the overall brand persona of Tesco. 5. Recommend any possible marketing, advertising, branding and promotion strategies related to sales that can help Tesco better target their customers in China and attract them towards the products and services of the company The proposed research would be based on the concept of marketing management as highlighted by Kotler (1988) which is the process if applying the theories of marketing and the relevant strategies into the marketing techniques and actionable tasks for the promotion of a business. Another theoretical concept that is used by the proposed research is that of branding and brand management. Essentially a brand is a perception of a company or an entity in the minds of the consumer. However the management of the brand is an extension of marketing and is strategically linked with promotion. Aside from this the concepts of sales promotions, consumer behavior, consumer purchase behavior, consumer decision making process are also explored in the research in relation to how they influence the promotion strategy used by Tesco to target housewives in Beijing. The proposed research can provide to be significant for students, marketers, future researchers in the field of brand promotion and marketing as well as for the Tesco Company. The students can be provided with possible linkages between the sales promotion strategy of the company and the overall brand promotion of a brand. Moreover the promotion employed by brands in different markets can also be highlighted through the

Sunday, November 17, 2019

How Does Hosseini Tell the Story in Chapter 2 Essay Example for Free

How Does Hosseini Tell the Story in Chapter 2 Essay During this early stage of the novel, narrative is fundamental in forming the basis and definition of Amir, the protagonist and teller of the story. As well as this, several expectations for the novel are also established, particularly in terms of characterization and plot. Whilst the book as a whole can be described as a psychological exploration into the complexities of guilt and jealousy, this chapter differs in the sense that the narration deliberately refrains from discussing any thoughts or emotions of Amir. Founded on factual knowledge such as dates, times, births, deaths, and directly quoted dialogue, the formal tone may reflect the writer’s attitude to the material being discussed; perhaps he is ashamed and wants, during this chapter, to distance himself from emotional implications and accountability? Instead, we are introduced to the voices of other characters, such as Baba, Ali and Sanaubar. This begins to embed the idea that the plot will revolve around a delicate web of interpersonal relationships. Furthermore, Hosseinis first-person narrator makes the larger story of Afghanistans troubles seem very personal, as Amirs tale of personal abuse, betrayal, and redemption, mirrors the tale of Afghanistan itself. Hosseini uses contrast to illustrate the inverse lives of Amir and Hassan. Endless description of infinite luxury, marble surfaces, the warmth of fire, and curved walls steering through one room after another, is followed by a single sentence, almost as an afterthought, mentioning Hassan and Ali’s humble mud hut at the bottom of the garden. The choice of sentence structure is reflective of their positions in society; their respective lifestyles are the culmination of ethnic tensions and intolerances. However, a degree of similarity remains, a similarity that is irrelevant of society. Both Hassan and Amir have lost their mothers, and as a consequence, only have their fathers and each other. They are closer than regular friends, or more like brothers. Their relationship plays a central role in the book, and it figures in another theme that is introduced in this chapter: standing up for what is right. But despite this undeniable connection, Amir cannot call Hassan a friend, in the same way that Baba never refers to Ali as a friend either. The looming division of religious beliefs is further intensified by the blasphemous language used by the soldiers in reference to Hassan’s mother, which gives an impression of the control and sadistic ways associated with the treatment of Hazaras by the Pashtuns. The significance of setting becomes increasingly apparent as the book goes on, and in this chapter we are introduced to the pastoral environment that sets the scene for the childhood that Amir and Hassan shared. Hosseini crafts a typical landscape in descriptive detail of the Afghanistan that once was, of sunlight, trees, fruit, and autumn colours. This imagery is recurrent in passages of retrospective throughout the novel, and is part of a structural plan to effectively shock the reader in later chapters when Amir returns to Afghanistan.

Friday, November 15, 2019

A Comparison of Relationships in Stone Angel, Fire-Dwellers, and Divine

Relationships in The Stone Angel, The Fire-Dwellers, and The Diviners      Ã‚   There are always problems in every relationship, in every marriage. With strong communication, acceptance and a love for one another, these challenges can be overcome. In Margaret Laurence's Manawaka Cycle, the characters all have enormous problems in their relationships. In the books The Stone Angel, The Fire-Dwellers, and The Diviners, the characters' marriages all have varying degrees of trouble. However, through hard work and perseverance, the partners survive and grow. Each relationship in these books has two or three problems, that when combined, become daunting. However, the characters' real problem is that they are alone in their marriage. Margaret Laurence states that "men and women suffer equally; the tragedy is not that they suffer, but that they suffer alone."1   These men and women are alone, not communicating nor respecting each other, which leads to personal problems in and in their confidence in themselves and each other.   Ã‚  Ã‚   In Laurence's The Stone Angel, Hagar Currie, a girl from town, marries Bram Shipley, a widowed country farmer. From the time of their marriage ceremony until Hagar leaves Bram, Hagar's sense of pride hurts her, Bram, and their marriage. Hagar gives the appearance to Bram and the community that she hates his looks, and is disgusted with him. Even at the dance where they first meet, Hagar reveals he... ... Dictionary of Canadian Quotations and Phrases. (Toronto: McClelland and Stewart, 1979), 580. 2Margaret Laurence, The Stone Angel (Toronto: McClelland and Stewart, 1964), 47. 3Laurence, The Stone Angel, 69. Bibliography Gray, John. Men Are From Mars, Women Are From Venus. New York: Harper Collins Publishers, 1992. Hamilton, Robert M. and Shields, Dorothy, eds. The Dictionary of Canadian Quotations and Phrases. Toronto: McClelland and Stewart, 1979. Laurence, Margaret. The Diviners. Toronto: McClelland and Stewart, 1974. Laurence, Margaret. The Fire Dwellers. Toronto: McClelland and Stewart, 1969. Laurence, Margaret. The Stone Angel. Toronto: McClelland and Stewart, 1964.   

Tuesday, November 12, 2019

Child Soldier Creative Writing

I am holding a gun to my head. On the verge of death I look back at how it escalated to this to convince not to make the wrong choice as I had done before. That memory among many other dark ones remained as clear as see through water. Five years ago†¦ Sierra Dianas. Thoughts flooded my mind as I clutched the gun harder and harder. I faced an atrocious, inescapable decision. A war befell in my head, a death match between my consciousness and my fear. As one callously stabbed the other, the tip of my finger pressed harder against the trigger.Time was ticking. I shut my eyes as I hoped to disconnect the vision of a girl slouched in front of me, so defenceless yet so fearless. Her face wasn’t completely visible but judging by her figure she was no more then 15. She showed no fright, demonstrating her disgust towards bowing down to the rebels: she remained her posture straight and her head help up high. She looked down upon us even though she was the one on the floor. Her face captured complete hatred. Her attempts to resist were hopeless as two older men forced her down onto the ground.Her arms were tied behind her back so any chance of action towards escape was restricted. I bit my battered lip to remind myself of what I face if I disobey my master’s orders again: agonizing inexorable pain. I pressed harder against the trigger. My vision started to blur and lose its focus and my swollen eyelids did not help. I tried to slay these monstrous thoughts invading my brain, telling me to shoot her and spare myself the pain. I pressed harder. I tried to stop devilish thoughts terrorising my brain with illusionary words but no success: l pressed harder.My consciousness whispered in my ear but the demon inside my soul drowned it heartlessly in my homesick sorrow. The silence waited to be heard. I pressed harder. The trigger clicked. A loud profound bang pierced through the air as the bullet fired cogently. I could hear my sanity slip away, all in the spac e of a millisecond. Regret and notoriety backfired at me as I saw my childhood flash by me; I shot her. I could almost hear her pulse drain as she gasped for air. Another life wasted. Her blood leaked.My demons smothered in a pool of dark red and danced in murderous pride as my master gave me a smirk of praise but behind it hid the look of mutual remorseful experience. That night I was ranked the chief of other child soldiers for my righteous decision or in other words for being heartless enough to kill another of my own race; it would serve them well in the war. In a way I feel as if seeing us become monsters soothes their guilt. It made them less lonely. Even monsters need company. You would think killing again would ease the pain. Think again.Every time it doubled, magnified, intensified, and deepened until the peak where it was unbearable: living with these mental images and mind overflowing with blood. Every fibre of my body grieved for the dead and me: the dyeing. I was chaine d to the everlasting circles of depression unable to experience happiness. Everywhere I went the sun followed me with a hateful glare cursed me silently. I almost melted in his heavy breaths. He launched tense fireballs at me boiling with rage and disappointment, wishing to suffocate me. The sky spit at me in disgrace and shame.The clouds demanded to show me how many tears were cried for the people I have killed. Every rain drop was a reminder of my failure and cowardness. It fell on my skin, ice cold, yet again reminding me of what my heart was bound to become. The sound as they continuously hit the flour resembled a fire’s blazing sparkles. The wind slapped me across my face over and over again. It whispered in my ear. So quit yet such poignant stabbing accusations. It broke into my hut and overawed my body with needle-like numbness from the shuddering chill.The whispers grew into exasperating screams until I could not sleep. It slammed doors and raised the sand from the gr ound, commanding it to attack me. Stop! I wanted it to stop! No more torture. I fell hopelessly upon my knees and screamed at the top of my lungs, begging god for help, for forgiveness. ‘Have I gone mad? ’  Ã¢â‚¬â€œÃ‚   I asked the clear blue staring back at me blankly. I repeated the phrase over and over again until my defenceless sobs and weeps merged the words. I could not stop crying. I clutched the soil between my fingers for some feeling of control as if to grasp hold of myself.The salty tears kept rolling and as they came in contact with my torn, scared skin a shiver of sharp pain would emerge. God didn’t reply. God wasn’t there. Only the devil. I asked him what I should do and the answer was simple: stop caring. Let myself be tamed by the evil because the good can never be happy. He stretched out a hand to me but as I reached it for help to get up I simultaneously shook it as an agreement to a deal. I sold my soul. The next morning I woke up with the feeling of enlightenment. I killed people with no remorse, no guilt, no regret nothing except the feeling of power.I fed on it and I breathed it in with the stench of the dead. It felt good. For a moment I felt almost happy in an illusionary way, as a smoked in the white power-like substance, which my master had let me share with him as a sign of approvement as if welcoming me. To what, I wasn’t sure. That night I danced with a bottle of alcohol in the middle of a fire we set to the village. I trod on dead bodies or some even alive but eventually they would be dead, they couldn’t escape. I raped countless women. Daughters, maybe sisters, maybe mothers, who cares?Not the puppets on the other side of the world, that’s for sure; drinking their coffees and stirring their teas, with their diamond necklaces worn as a ‘fashion statement’ because it resembles the one worn by a celebrity. Completely oblivious. Most of them incapable of doing anything ot her than follow footsteps. We, however, refused to follow or live in someone else’s master plan. That’s why we’re called rebels. The rebels. Our motto was to join us or die. If we didn’t see much use in then it was die or die more painfully (it mostly came down to our mood). We declared war with authorities because they had power et we still suffered in hunger, poverty and disease. This was if we were willing to perform back-breaking labour for the rest of our lives. Otherwise death would catch up on you in days, if you’re lucky you might last a year maximum. It seemed as if the government was not based on democracy but rather the fear of death. The devils reign over my mind lasted for a long time or more perceptively it lasted over 1000 deaths by my own hands until the blood dried underneath my finger nails was would not wash away. The only way out of this mad world is death. Now is the time. Now.

Sunday, November 10, 2019

Sociology and Understanding Human Behavior †Socl215

September 8, 2011 Phase 4 Individual Project Sociology and Understanding Human Behavior – SOCL215 The sports sociology exists because of the strong relationship between sports and society. As a culture, we as Americans value sports for the entertainment, physical activity and many other benefits it provides to us. I believe that is the reason so much research has gone into discovering how and why it affects us as a society. Sports are enjoyed all over the world, particularly soccer and baseball in many parts of the globe. I am a really big fan of and enjoy football. It is my favorite sport. During the fall and winter months much of my life rotates around being able to watch professional football games and to cheer for my favorite team, the Carolina Panthers. It’s my favorite sport because I enjoy the energy, the socialization, competition and action. Because it is so widely revered in America, it is not very difficult to find another football fan or sports bar. Football is widely represented in the media which also helps to be a fan. ESPN (Entertainment Sports Programing Network) covers games if you may have missed a game or play as well as offer news about teams and players. During the local news broadcast a sports segment is always included. And in local as well as nationally published newspapers a sports section is included. I however am not a typical viewer/fan in the football demographic. Most fans are middle aged white men that make $55,000. However the number of women watching football is on the incline. According to the New York Times the number of women watching â€Å"Sunday Night Football† has increased 23 percent over the last two years. (Baker, 2011) The fan base for football is expanding for minorities as well. I think this is because more minorities are playing the sport. To get a better understanding of how sports and society affect one another I went to a local high school football game. I have always gone to football games as a fan, never as an observer and I knew this experience would be different. I decided to attend this event because I enjoy football and I knew a few of the students from work that go the high school. It was also an opportunity to learn more about high school, I usually only watch NFL (National Football League) football games. The following are my observations from the fieldwork done during the football game. The setting for this game was a high school football game was Carolina Forest High School. The elements that would affect behavior included banners, posters and cheerleaders. This affected the home team in a positive way as they feel more support and motivation. It could negatively affect the away team as they feel intimidated and home team as they could feel more pressure to win. The attendees/fans were students, parents, cheerleaders, ROTC members, teachers and other dance team members. Most of the fans were white high school students between the ages of 14 to 17. I would say it was divided pretty evenly between males and females. They seemed upper middle class with a few that seemed to be upper class. The players were similar to the fans as they were high school students, 14 to 17 years old and middle class but there were a few more black players than white. The dress of the fans was typical of teenagers. Students mostly wore jeans, T-Shirts and flip flops. Many were shirts that had the schools logo and mascot on it. There was a group of young men with hair dyed black and wore similar skateboard type attire. The students seemed to stay in groups together as did the parents. There definitely seemed to be groups that stayed to themselves and did not socialize with anyone outside of their group. This behavior applied to parents and students. The students in these groups were of the same social class and did dress similarly. The atmosphere was very positive and happy at the football games. The home team won which helped with the atmosphere. There were a couple moments of tension when the home team had a penalty or was losing. I saw symbolism in the flags used by the high school’s NJROTC drill field team. Other symbolism I saw was used by the referees. They used hand gestures to convey the penalties being issued to either team. The other observation I noticed was the language used during the football game. Students used chants that were exclusive to their school to show their support. There was also verbiage used to describe which down and field position the game was being played at. There was also commentary from the announcers tell the audience which players were preforming which plays and their positions. From my field work I learned that energy of the game is in direct correlation of fans. Because many high school students don’t know the rules of football and go to games as a form of socialization only the energy isn’t as high. However there seemed to be less tension and conflict among the fans as a result of this. When emotions run high, there is a greater risk of conflict. This seems to happen a lot in football because of the loyalty fans feel for â€Å"their† team. I previously stated in week one’s assignment that functionalist perspective was most useful when looking at the sociology of football because it played a part in society has a purpose to fulfill as a whole. And I still believe holds true. It helps to bring people together, gives a sense of competition and a role model for children. It also helps fund the education of promising athletes and promotes good physical wellbeing. American football culture has a positive impact on society. College students that show promise are able to get a higher education on a full paid scholarship. This allows more potentially more successful people in society. People throughout the world love sports. Mankind loves to get together for a common interest and celebrate. Even in the face of war and other devastating losses, we as a society will feel hope and inspiration from the victory of our sports team. This is the reason why sociologists are so interested in researching sports. It is a strange and intriguing phenomenon. I think the reason the so many participate is the social status it gives you. Children look up to athletes as role models. There is also the factor of money as well. Fans will dedicate a lot of money and loyalty to their favorite players. I also think they enjoy the feeling of having people rely on their abilities and come from very far away to watch them play. Many just have a passion for the sport they play. Fans play large roles in society. One way they do this is by providing economy to metropolitan areas that have professional or college sports teams. They are also the reason why sports media has grown to be what it is now. If it weren’t for fans there would be need to have things, like instant replay that has helped the integrity of many sports. We wouldn’t have tailgate parties so more members of society can come together for a common interest. â€Å"The importance of sport varies with the individual. It plays little or no role in the lives of some people. For others, it is a light diversion from the cares of everyday life. But for many, it is a central feature of their existence. † (Delaney, 2003) Sports will continue to play a part in society, people will gather from all across the world to watch sports like we do with the Olympics. There will also be controversy and conflict but I believe the benefits of enjoying sports still make being a sport’s fan worth the effort. References Baker, K. (2011, January 28). Gridiron Girls. Retrieved September 8, 2011, from nytimes. com: http://www. nytimes. com/2011/01/30/magazine/30FOB-wwln-t. html? _r=1 Delaney, T. (2003). Sports and Deviant Behavior. Retrieved September 8, 2011, from philosophynow. org: http://www. philosophynow. org/issue41/Sports_and_Deviant_Behavior Response to Peer Discussion Board Suggestions and Questions: I think the number of women watching football is unsurprising because many women have men in their lives that love football and expose women to the sport. I grew up watching the New York Giants because my father and our family favored that team. I stopped watching football so often until I met my husband and now we watch every game that is played by his favorite team. If I didn’t have these influences didn’t exist in my life, I wouldn’t watch sports at all. I’ve always enjoyed independent research. I like to work with groups and on my own which is a wonderful benefit to going to Colorado Technical University. I like being able to physically research and see for myself the ideas and concepts that are in our textbook. It makes the subject of Sociology feel more â€Å"real. † An interesting point is that fan behavior is not only affected by the game it is also affected by the team or sponsor they play for. I think it’s very true that some fans are definitely â€Å"fair weather. † Meaning a fan likes a team or supports a team because they win or are winners. I believe in supporting a team even if they lose or are not a very popular team. Another point I didn’t mention was how fans affect the player moral in a game. I think that if fans are cheering for a team and have good energy that this can affect a team in good and bad ways; good because the team will try to perform better and bad because they may not perform as well because they feel they don’t need to try as hard. There can also be the opposite effect of a team that is not doing well and is not being supports. They can either succumb to the negativity or work harder to overcome it.

Friday, November 8, 2019

Silent Spring Rachel Carson Essay Example

Silent Spring Rachel Carson Essay Example Silent Spring Rachel Carson Paper Silent Spring Rachel Carson Paper spring begins without the once-familiar sound of birdsong. Birds are disappearing from communities that once enjoyed seeing multitudes of migrating birds. Spraying against such things as Dutch elm disease and fire ants has destroyed birds by the thousands. Spraying for Dutch elm disease began in the 1950s, with the immediate and devastating result of the death of the robins and other birds that lived and nested in the elms. The birds were eating their usual diet of earthworms. The earthworms had, as usual, dined on the mulch of elm leaves that fell each autumn and the DDT used against the elm disease that would not wash off of the leaves. The DDT collected in the earthworms in high concentrations, so that when the robins ate the worms, the birds were killed. Robins that escaped death became sterile, so that they could not produce healthy young. Large numbers of deaths have occurred for 90 species of birds as a result of DDT spraying of elm trees. Mammals also feed on earthworms and may be affected, and thus also the owls which feed on the mammals. Owls and hawks have been found in convulsions or dead. Treetop birds have also died as a result of the elm spraying. The loss of so many kinds of birds is devastating, not only for people who love to see them, but for the more practical reason that the birds had previously provided natural insect control. The insects come back from the spray attacks, but the birds do not and then the insects are more numerous than before. Meanwhile, in areas of the country where natural controls of the elm disease have been undertaken, many more elms have been saved, without any destruction of bird and insect life. Another bird that has suffered extensive population reduction is the eagle. Several studies suggest that this is largely due to pollution of the eagles environment by DDT and other chemicals, which causes sterility and other devastating consequences. Studies on robins in areas previously sprayed with DDT have confirmed that DDT remains in the birds at least one generation after the spraying. Studies on the eagles Chapter 8 And No Birds Sing 27 suggest that contamination of fish, their main food, is killing them and preventing them from successfully reproducing healthy young. In England, the treatment of seeds with chemicals has resulted in widespread bird deaths. The seed-eating birds, which survived long enough to be eaten by foxes, then became poison to their predators, which also died terrible deaths. In the U. S. , the same problem has occurred with chemically treated rice; pheasants and waterfowl have been killed by eating the DDT-treated rice. In some cases, birds deemed pests are being targeted with chemicals directly, so that the bird losses because of chemicals include both accidental and intentional killings. Workers applying malathion have barely escaped death after becoming extremely ill. All these examples have resulted from the inattention of millions of people on whose behalf those in power have authorized these mass killings and poisonings. Chapter 8 And No Birds Sing Analysis Carson continues to raise the stakes as she piles on the evidence against the use of chemicals. Here she returns to the theme suggested by the books title, emphasizing the sudden silencing of so many birds. She introduces the idea that biodiversity is not only more interesting to look at but truly vital to life; part of the problem with the elm trees is that entire communities have been filled with nothing but elms, leading to mass devastation when a disease specific to those trees has invaded. She also briefly touches on some examples she will return to later in the book, such as fire ants. The theme of individual culpability by silent assent is underscored again at both the beginning and end of this chapter. Chapter 8 And No Birds Sing 28 Chapter 9 Rivers of Death Chapter 9 Rivers of Death Summary For many thousands of years, salmon have returned from the Atlantic each year and traveled up the rivers in which they were born to spawn and perpetuate their kind. In 1953 in the Miramichi River of New Brunswick, the salmon migration happened as usual. By spring 1954, these tiny fish, along with their older relatives of the previous years hatchings, were suddenly besieged by the Canadian governments widespread spraying program, which was meant to combat the spruce budworm. Along with all the insects and most of the birds in the millions of sprayed acres, the entire 1954 hatch of salmon died; five-sixths of the 1953 hatch died; and one-third of the 1952 hatch died. The budworm populations, on the other hand, continued to thrive. Repeated sprayings took place, despite evidence that spraying does not effectively combat budworm. Other places have also killed fish in their attempts to control forest insects. DDT may cause blindness in fish. Even if the fish survive the spraying, the virtual elimination of the insects that they feed on may kill them, or the fish may die some time after the spraying when they draw upon their fat stores for energy and release the DDT stored in their bodies. Efforts to coordinate sprayings to reduce fish mortality have been largely ineffective. Natural parasites can be much more effective at controlling budworm, and fish will not be killed. It is impossible that with such widespread application of chemicals to the land, no chemicals will make their way into waterways. Destruction of fish and fish habitats are great losses in themselves, but they are also a loss to the millions of Americans who enjoy sport fishing. Commercial fisheries will also be affected because poisoned fish are not a source of food, and reduced numbers of fish reduce the fishermens income and the amount of fish available as food. Numerous examples of fish kills across the U. S. are given. Many attempts to control fire ants have resulted in massive fish kills. Insecticides used against insects that feed on cotton have killed many fish in the South because of heavy rains following heavy application of Chapter 9 Rivers of Death 29 chemicals to the cotton fields. Farm ponds are particularly susceptible to poisoning because of their proximity to chemically treated fields. In some parts of the world, fish from farm ponds are a vital source of food for humans. Where large spills of chemicals have migrated into streams and rivers, the deadly effects have occurred hundreds of miles away because the water has carried the chemicals downstream and into the sea. Creatures other than fish have been killed in devastating numbers; one example is the fiddler crab, which plays a vital role as a source of food to numerous other creatures, as well as a scavenger, mud aerator, and source of bait for fishermen. Some chemicals can kill animals such as shrimp at nearly undetectable levels, even half of one part per billion. The ultimate effects of the pollution of virtually all of our waterways with chemicals, some of which are unknown because they are formed by the interaction of different substances, are unknown and unpredictable. If even a small fraction of the money spent developing increasingly toxic chemicals would be diverted to research on natural methods of environmental control, perhaps our waterways could be saved. Chapter 9 Rivers of Death Analysis As she did with the birds in the previous chapter, Carson uses numerous examples of fishery devastation to build her case. The examples are shocking and convincing. The reader is left to wonder how his drinking water and favorite swimming or boating location can possibly be safe, considering the havoc wreaked on the poor fish. Carson is piling on the devastating facts as she mounts a thorough attack against any further use of deadly chemicals upon the environment. Once again, she calls on her readers, the public, to educate themselves and demand action and conscience from the authorities who are poisoning the environment. She repeats her theme of alternatives to deadly chemicals. Chapter 9 Rivers of Death 30 Chapter 10 Indiscriminately from the Skies Chapter 10 Indiscriminately from the Skies Summary Carson recalls the World War II origin of widespread spraying of chemicals as a result of the new organic insecticides and a surplus of airplanes. Before the war, such chemicals had been handled with extreme caution, and now they were dropped from the sky, in many cases without warning to the people living below. This chapter details two examples of spraying campaigns that had widespread and devastating consequences. The first example is that of the gypsy moth. Despite successful natural controls of the moth in the northeast, a program of eradication of the moth by chemical spraying was begun in 1956. The program began with the spraying of nearly 1,000,000 acres. Despite complaints and strong opposition, the next years praying included 3,000,000 acres. Many of the areas sprayed were residential, despite the fact that the gypsy moth is strictly a forest insect. People and animals were sprayed directly. Milk from cows in and near sprayed areas was contaminated. Garden produce was ruined. Many lawsuits were pursued, and some were won by those whose produce, land, and livestock had been contaminated. The number of acres sprayed was severely reduced by 1961, but evidence showed that the gypsy moth had not been affected at all. In the South, a program was launched against fire ants. Despite the fact that the fire ant posed no real problem to anyone, other than as a minor annoyance, a massive program of eradication was begun, preceded by a program of government-disseminated information about the killer fire ant. Some 20 million acres were to be sprayed. The claims made by the U. S. government about the fire ant were later entirely discredited. The fire ant does not destroy crops; in fact, it is known to eat insects that do destroy crops. The fire ants mounds actually serve to aerate soil, Chapter 10 Indiscriminately from the Skies 31 nd despite government claims at the time, fire ants do not kill people or birds. Despite numerous protests from environmental experts, conservationists, and entomologists, the spraying program was begun in 1958. In many areas sprayed, almost every form of life was killed. Carson gives numerous specific examples from different areas where the spraying was done. Farm animals stopped producing healthy young. The prescribed precautions i ssued by the government are by no means adequate to protect people and animals from contamination by the deadly chemicals. The government ignored existing findings which showed the chemical used to be deadly. Heptachlor, one of the chemicals used, changes form once it enters the environment or an animal to become heptachlor epoxide, which is even more deadly than its original form. The states in the sprayed area began protesting the continuation of the program. In many areas, there are more fire ants than before the spraying began. Florida has abandoned broad eradication in favor of local control. Local control, which is 90 to 95 percent effective, costs $. 23 to $1. 00 per acre; the mass spraying costs about $3. 0 per acre, is terribly destructive, and does little to combat the fire ants. Chapter 10 Indiscriminately from the Skies Analysis Here Carson uses two of the most egregious examples of out-of-control government spraying to show the far-reaching consequences of such programs. In both cases, the pest in question was not controlled even after massive chemical attacks, whereas countless other creatu res were killed or sickened. This chapter concentrates on building up highly specific evidence and ends with a reminder that methods other than spraying millions of acres at a time are more effective and much more cost-effective. Carson leaves the moral conclusions to her readers this time instead letting the gruesome and appalling facts speak for themselves. Chapter 10 Indiscriminately from the Skies 32 Chapter 11 Beyond the Dreams of the Borgias Chapter 11 Beyond the Dreams of the Borgias Summary This chapter is titled Mass spraying is not the only source of chemical contamination of our world. Indeed, most peoples chemical exposure comes little by little, day by day, rather than all at once as a result of mass spraying. Most people have no idea what dangerous chemicals they are encountering in their daily lives. The insecticide aisle at the store is presented as innocuously as the rows of pickles and laundry detergents, and many poisons are even sold in glass containers which, if dropped, could expose people to highly toxic levels of deadly chemicals. Package warnings are printed in tiny type and have been found to be largely ignored by consumers. Household poisons include products such as insect sprays, insecticide-impregnated shelf paper, insect-repelling body lotions, insect-killing floor wax, bug-killing clothing applications, and electronic devices that emit odorless poisons into the air. Gardening poisons are available for every imaginable purpose, with increasingly easy-to-use devices available to apply the poisons to lawn and garden. One survey indicated that fewer than 15 percent of consumers were aware of the warnings printed on chemical packaging. Most consumers see only the pictures on the packages, which portray happy families romping on their chemically treated lawns. Chemical residues in food are another source of gradual buildup of lethal chemicals in human body tissues. Only the most remote locations (such as near the Arctic Circle) remain immune to chemical contamination. Because almost all foods contain some level of such chemicals as DDT, human exposure is enormous in the aggregate. Meats and foods derived from animal fats contain the largest amounts of these chemicals because the substances are fat-soluble. Fruits and vegetables are also contaminated, and washing does not remove the chemicals. Cooking does not destroy them. Chapter 11 Beyond the Dreams of the Borgias 33 The government establishes legal limits for chemical contamination, but these limits are meaningless; the safe residues in or on all the foods we eat quickly add up to unsafe levels as we eat the foods and the chemicals are stored in our bodies. Also, there is little enforcement, so the allowable levels are frequently exceeded, either intentionally, ignorantly, or accidentally. Only interstate commerce is regulated, and most states laws about chemical contamination are grossly inadequate so food grown and sold within a state may be highly contaminated. The total exposure of each person to the most dangerous chemicals cannot be measured, so safe levels in individual foods are truly meaningless. Also, some chemicals are released for general use before their effects are known. With government oversight severely limited, even going to a zero tolerance policy is meaningless because the force of inspectors is far too small. Public education and awareness must be increased, and less-toxic chemicals must be used in place of the highly toxic and deadly chemicals. Non-chemical methods of insect and weed control must be explored and put into wide use. Until that time, human beings live as if guests of the Borgias. Chapter 11 Beyond the Dreams of the Borgias Analysis Carsons two references to the Borgias a medieval Italian family whose members were known for their murdering, poisoning ways serve as thematic bookends for this chapter. Carson extends her previous call to action to consumers by providing evidence of the extreme ignorance with which most people use deadly chemicals. Having accumulated the disturbing facts about chemical contamination of the environment in previous chapters, here Carson oncentrates on the most basic human need food and the enormous and largely unknown threat chemicals pose to our food supply. As if the silencing of birds and the widespread destruction of wildlife and ecosystems has not served as enough of a wakeup call, here Carson begins to build her case by concentrating on the direct effects of the deadliest chemicals on human beings. She again concludes by reiterating the need to eliminate the u se of deadly chemicals altogether in favor of more natural controls. Chapter 11 Beyond the Dreams of the Borgias 34 Chapter 12 The Human Price Chapter 12 The Human Price Summary This chapter is titled Public health problems used to be caused by diseases such as smallpox, cholera, and plague. Infectious disease has been largely controlled through improved living conditions, better sanitation, and miraculous drugs, but now we have caused a new kind of public health crisis by introducing dangerous radiation and chemicals into our environment in huge quantities. The results of our actions in bombarding our planet with these unpredictable substances are equally unpredictable. Previous chapters have shown how pesticides have already drastically affected the water, soil, and food, as well as many species of wildlife and livestock and how pesticides affect people in both the short term and long term. Long-term effects are easy to ignore as long as they are invisible, but they are there nonetheless. Our individual bodies have a kind of ecology, just as the larger environment does. The effects of tiny amounts of chemicals on this minute ecology can be enormous. One changed molecule can affect the entire body system. It may be impossible to tell what is cause and what is effect because there may be years between the two. Chemicals that store themselves in fat may affect many processes in the body, right down to cellular function. The human liver filters many of the poisons to which we are exposed; over time, the liver may become damaged by these poisons from which it protects the body and thus become less capable of performing its function. Hepatitis and cirrhosis are increasingly common. The nervous system is highly susceptible to damage by the chlorinated hydrocarbons and the organic phosphates. Individual sensitivity to the various toxic chemicals is extremely variable, making the establishment of safe levels meaningless. Human beings are exposed to many different substances, some of which interact with each other in unpredictable ways, sometimes increasing their toxicity enormously. Carson gives a number of specific examples of drastic effects of chemicals on individuals nervous systems. The temporary elimination of some insects will continue to result in horrific and permanent Chapter 12 The Human Price 35 physical trauma, as long as we choose to use chemicals that directly affect the human nervous system. Chapter 12 The Human Price Analysis Once again Carson uses the technique of accumulating greatly detailed examples to make her point. Here she cites a number of instances of the severe effects of chemical poisoning on individuals, many of whom were permanently disabled by their exposure to allegedly safe substances. She begins by drawing the comparison between the ecology of the outside world and that of our individual bodies and pointing out that the intricacy of the planets ecosystems is at least matched and likely exceeded by the minute and largely mysterious intricacy of our bodies. In previous chapters she has convincingly portrayed the eventual doom of the earths various environments as a result of widespread chemical use; here she extends the reach of destruction to our very selves, and again points the finger back at humans for being the agents of that doom. Chapter 12 The Human Price 36 Chapter 13 Through a Narrow Window Chapter 13 Through a Narrow Window Summary The narrow window referred to in the chapter title is the tiniest structure in the human body. Seen from far away, it reveals only a sliver of light nothing more, but viewed at extremely close range, the smallest molecule reveals a whole universe of relationships and understanding of the incredibly intricate structure of the entire world not merely the organism that houses that molecule. Only recently has research revealed the indispensable function of cells in producing the energy required for life to continue. Without functioning cells, even our organs are useless, for cellular oxidation is the basis of all life function. Many of the chemicals we apply indiscriminately to our environment act to disrupt the vital cellular function that keeps us alive. This field of study is so new that those who were medically trained prior to 1950 may not be able to realize its extreme importance and the terrible hazards involved with widespread use of chemicals. Every cell in the body is involved in producing energy. Our cells are tiny chemical factories, taking in carbohydrate fuel and converting it in a complex process of many tiny steps into energy. Only since the 1950s have mitochondria, the minute structures within cells that do so much of the work, been understood and appreciated for their extreme importance. Mitochondria contain enzymes that accomplish the work of energy production. Adenosine triphosphate (ATP) is the form of energy produced at each stage of the mitochondrial process; its ability to transfer energy from one place to another within the body is the secret to physical life. It is the currency of the life process. Without ATP, life would cease; essentially, organisms would burn themselves out because energy would be burned but not transferred, halting the cycle that keeps living things going. Chapter 13 Through a Narrow Window 37 Radiation and a number of chemicals easily serve to disrupt the energy-transferring process. There are a number of ways these substances can adversely affect the enzymes involved in the cycle of oxidation. An increase in such disasters as congenital deformities and the cessation of fertilized egg cell division has been noted, and as of 1961 the Office of Vital Statistics was conducting studies based on the increase in malformations at birth. The reproductive systems of all creatures are adversely affected by DDT and other chemicals, so that this drastic disruption of the universal currency of energy affects the capacity of all living things including humans to reproduce successfully. The problem is not merely one of reduced reproduction, but of possibly severe damage to our very genes. Our genes carry thousands of years of adaptation and evolution to us, so that in theory each successive generation is more successful than its predecessor. Chemicals that act upon our genes can cause sudden mutations, producing new and undesirable changes in subsequent generations. Cell division is the basic process of life creation for everything from amoebae to humans, but mutations as a result of the sudden influx of chemicals into our environment threaten this process that builds upon millennia of gradual adaptation to infinitesimal change. At the cellular level, life cannot cope with the onslaught of chemicals. Our understanding of chromosomes is extremely new from the perspective of the millions of years life has taken to reach the present, and our understanding of the effect of chemicals on chromosomes barely exists. Nevertheless, we bombard our environment with these chemicals; and now we are seeing the drastic effects they have on the most fundamental processes of all life. A number of examples are given of drastic mutation because of chemical exposure. Various chromosomal abnormalities discovered in humans are examined. We are now filling our environment with chemicals that have the power to alter our chromosomes and so alter the path of our genetic heritage, which is the result of millions or even billions of years of evolution. Chemical makers are not required to test their products for their effects on genetics, so they do not at our peril and the peril of future generations. Chapter 13 Through a Narrow Window Analysis Chapter 13 Through a Narrow Window 38 Carson again uses the technique of moving from a micro view to a macro view. She begins this chapter by focusing on the tiniest pieces of life, the cells and mitochondria and enzymes that function to keep energy flowing and life going. She builds upon previous chapters emphasis on the drastic effects of chemicals on living things, now explaining the intricate processes of the cells and microscopic biological factories that enable us and all creatures to live. Having explained the complex and finely tuned process, she then explains the drastic effects radiation and chemicals have on the process. Then she builds further upon that foundation, explaining the ewly understood function of chromosomes and the potentially dire effects of chemicals upon these building blocks of life. She ends this chapter as she has ended previous chapters, with a call to action that points out how we are only killing ourselves with our indiscriminate use of chemicals, but she builds upon this, too, by pointing out that damaging our chromosomes hurts not only us but also generations to come. Our irresponsible actions affect not only our present and future, but the very existence of humanity in the long term. Chapter 13 Through a Narrow Window 39 Chapter 14 One in Every Four Chapter 14 One in Every Four Summary Cancer has existed for so long that we do not know when it was first recognized. There are naturally occurring substances that cause cancer, such as radiation and arsenic. Life adapted to these threats, which are relatively few, but human beings alone among the planets creatures have the ability to create carcinogens, which cause cancer. Soot is one carcinogen. The industrial era has brought many more. Because life, including human life, adapts to environmental changes extremely slowly, the carcinogens that man has created relatively recently in the span of history can have drastic effects on humans, as well as other creatures. Only since 1775 has the connection between external agents and the existence of cancer been recognized, and it was not until the latter part of the nineteenth century that various cancers were traced to exposure to certain chemicals. There has been a huge increase in the incidence of malignancy, and in our awareness of it, in fewer than 200 years. The American Cancer Society estimates that two out of three families will be stricken with cancer. Only 25 years ago, cancer in children was rare; now more American children die from cancer than from any other disease. Animal experiment evidence has shown that as many as six of the pesticides Carson has been discussing are carcinogens. Others are thought to produce leukemia in humans. Still others may be indirect causes of malignancy. Arsenic is one cancer-causing substance. It has entered water supplies as a result of gold nd silver mining and has caused regional outbreaks of numerous disorders, including malignant tumors. The widespread use of arsenic compounds as pesticides begs the question of when more such regional outbreaks of arsenic-related cancers and other diseases will occur. Not only humans but other animals, from sheep and deer all the way down to bees, have been known to develop arsenical diseases. Chapter 14 One in Every Four 40 A chemical widely used to kill mites an d ticks was eventually shown to cause cancer, but meanwhile, many thousands of people and other creatures were exposed to it. Several years elapsed before the Food and Drug Administration instituted a zero-tolerance policy on the chemical; before then, residues of this known carcinogen were allowable in food. DDT and other chemicals have been shown to cause cancer, yet these substances are still in use (in 1962). Some of these chemicals take many years to produce cancer, so that what may seem a safe level is really a level that will, eventually, rather than immediately, kill those exposed to it. Unlike most cancers, Leukemia is a cancer that develops quickly. Since modern pesticides began to be used, the occurrence of leukemia has been increasing. Other cancers also have been shown to be the result of chemical exposure. Several examples are given of individuals who developed leukemia after direct exposure to pesticides. The mysterious origins of cancerous cells are explored. Cancer appears in many different forms, and it is assumed that there are many different causes. One theory, the Warburg theory, is discussed involving damaged cells that survive through fermentation rather than respiration. This theory accounts for many of the huge differences among different species experiences with cancer, such as variable cancer growth rates. It also may explain why repeated small exposures to chemicals may be more dangerous than one single blast. The latter might kill cells completely, while the former may damage them only to the point that they become cancer-creating cells. The standards Warburg established show that most pesticides are perfect carcinogens because they interfere with the process of oxidation so vital to continued cell health. Another theory of cancer involves damaged chromosomes. Again, chemicals can easily damage chromosomes and so contribute to cancer creation and growth, or chemicals may cause mutations, which then foster cancer growth. Many chemical pesticides cause chromosome doubling, which can cause major physical problems, including cancer. Certain chemicals are drawn to bone marrow, and thus are very likely to cause leukemia in people exposed to them. Children who are growing quickly provide ideal environments in which malignant cells can multiply. Chapter 14 One in Every Four 41 Cancer may be caused by a chemical indirectly. Some chemicals affect sex hormones, which in turn adversely affect the ability of the liver to resolve hormonal imbalances. This can lead to an excess of certain hormones, which at elevated levels will cause cancer. Even exposure to very low amounts of the chemicals may affect the livers ability to keep hormones in balance. Human beings are exposed to multiple chemicals that cause cancer. These exposures are uncontrolled. Exposure to certain substances may happen in many different ways, each one of which alone may be insufficient to cause harm; but in the aggregate result in cancer. Other substances may cause no harm until a person is exposed to both of them, so that their effects are combined, or one chemical may increase the danger of another substance even something apparently innocuous, such as laundry soap. Cancer may be caused in a two-step process involving exposure to radiation and later to a chemical. Public water supplies are now frequently contaminated with detergents, which alone are not carcinogenic but can increase the susceptibility of certain body tissues to chemicals that cause cancer. We live in a sea of carcinogens, and some people approach this dire situation with the fatalistic view that we should concentrate on finding a cure for cancer because it is inevitable many people will develop the disease in our contaminated environment, but the better approach is twofold: cure as well as prevention. Just as we conquered many infectious diseases by improving sanitation and producing miraculous drugs, we must conquer cancer by finding a cure and eliminating the environmental poisons that cause cancer. Medical experts believe that even if a cure were found, the rate of new cancers would far outstrip the rate of cured cancer patients. The good news is that humans have the ability to remove carcinogens from the environment, in contrast to a rampant infectious disease that humans did not introduce into the world. By eliminating most of the carcinogens from our environment, we could greatly reduce the one in four statistic of cancer affliction. The search for a cancer cure must continue for the sake of those who have already been exposed, in some cases over decades, to dangerous chemicals likely to cause cancer. For those not yet affected and for those not yet born, we can help prevent cancer by removing the substances that so clearly cause it. Chapter 14 One in Every Four 42 Chapter 14 One in Every Four Analysis Having developed the theme of chemical destruction to living cells in the previous chapter, Carson here elaborates by discussing the proven link between chemical exposure and cancer. For many people in 1962, this connection would have been relatively new because extremely dangerous chemicals were still being sold for household use as though they were innocuous to all but the targeted insects or unwanted plants. Once again, Carson uses extensive scientific evidence, including figures and quotes from medical experts, to build her case. She explains how chemicals are understood to cause cancer in cells again, relatively new information at the time. The major point of this chapter is that many cases of cancer could be avoided simply by eliminating many of the man-made carcinogens from the environment. Carson is again pointing out the obvious solution, which also happens to be the best moral choice: humans must stop poisoning themselves and the generations of the future. Chapter 14 One in Every Four 43 Chapter 15 Nature Fights Back Chapter 15 Nature Fights Back Summary Despite our efforts to control insect populations by mass application of new chemicals, the insects keep coming back. Insects are genetically adapting to the chemicals we use they are becoming resistant, but even worse than that, our chemical attacks on insects have weakened entire ecosystems, so that the natural enemies of the targeted insects are destroyed, along with the targets. This creates an ideal environment for the unwanted insects to reinfest an environment where their unfettered reproduction will not be challenged. Humans have been ignoring the powerful forces at work in the balance of nature and arrogantly asserting their dominance, which actually shifts the balance against them. Humans have overlooked two critical facts: first, nature provides the best ways to control insects; and second, a chemically weakened environment opens the door to explosive insect repopulation. Insects are controlled by limitations on the amount of food available to them and by other insects often an ongoing struggle for survival that is completely invisible to most humans. Our lack of understanding has contributed to our arrogant and grossly overzealous application of chemicals to the problem of insect control. If we worked at understanding the balance of nature, we could use its secrets to control unwanted insects without doing harm to our environment and ourselves. Some insects hunt others; some insects are parasites to others; some feast on aphids by the hundreds. Many insects are our friends, yet we have killed them along with the unwanted insects by broadcasting lethal chemicals across thousands of acres of insect habitat. The balance of nature has already turned against us and will continue to do so as long as we continue to kill the good along with the bad. Chemical battles against spider mites, red-banded leaf rollers, codling moths, and cotton-feeding insects have resulted in explosions in their populations. Likewise, chemical attacks on insects such as the fire ant and the Japanese beetle (see Chapters Chapter 15 Nature Fights Back 44 10 and 17) resulted in sharp increases in the crop-destroying enemies of those insects: the sugarcane borer and the corn borer. Trying to eliminate one destructive insect in these cases resulted in a huge increase in an even more destructive insect. Ironically, the extremely destructive corn borer is easily controlled by the introduction of its natural insect enemies which cannot survive intense chemical attack. In the 1870s in California, a scale insect highly destructive to the citrus crop was controlled by the introduction of vedalia beetles, a parasite of the scale insect. Then in the 1940s, chemicals began to be used for insect control in the citrus orchards, wiping out the vedalia in many areas. The scale insect quickly reasserted itself, and many expensive crops were destroyed. Similar examples are given of cases involving disease-bearing insects, in which the insects natural enemies were destroyed by manmade chemicals applied indiscriminately. Chemical companies give enormous amounts of money to universities to support further chemical research, but hardly any money is given for research on natural, biological controls. Natural controls do not provide the chance of making a fortune, but they are the only way the planet will survive in balance. A program of natural controls in Nova Scotia has proven that expensive chemicals are not necessary. Human beings must give up their arrogance and learn to work with nature rather than battling against it. Chapter 15 Nature Fights Back Analysis Here Carson returns to the theme of natural insect control, building upon it by pointing out how poorly chemical control has worked. Indeed, in many cases chemical control has resulted in renewed and even greater outbreaks of unwanted insects. Carson continues using the technique of piling fact upon fact and example upon example to build her case. She continues to add examples of the arrogance and apparent stupidity of those who apply huge amounts of chemicals with disastrous results even in some cases after natural controls have been instituted and used with great success for many decades. The chapter ends on a positive note, with a glowing example of natural insect control that has the added advantage of being much cheaper Chapter 15 Nature Fights Back 45 than chemical control. She again sounds the warning that humans must stop poisoning the world and instead must learn to work with the amazingly intricate checks and balances provided by nature. Chapter 15 Nature Fights Back 6 Chapter 16 The Rumblings of an Avalanche Chapter 16 The Rumblings of an Avalanche Summary As humans continue to subject the entire environment to intensive chemical spraying, weaker insects are being killed off, and stronger insects are becoming resistant to the chemicals. Earlier, pre-DDT-era chemicals had become ineffective against some insects; Car son cites several instances. Post DDT, insects began to become resistant to chemicals more quickly. Now people interested in combating disease-carrying insects are realizing the seriousness of the situation because insects carrying deadly diseases grow to be immune to chemicals. This chapters title comes from a quotation by a scientist who says the rapidly growing list of insects that have developed resistance to chemicals may be the early rumblings of what may become an avalanche in strength. Resistance can develop very quickly. Many insects carry infectious diseases that are deadly to humans: mosquitoes (malaria, yellow fever), houseflies (dysentery and eye diseases), lice (typhus), fleas (plague), tsetse flies (sleeping sickness), ticks (fevers), and many more. The use of chemicals to control these insects is no longer working, and indeed may have destroyed the natural forces that could be put to use in combating these disease carriers. The insects persist in developing resistance to each successive new chemical. A number of examples are provided of insects repeatedly developing resistance to multiple chemicals. In many cases the diseases the insects carry have regained a foothold because of the failed chemical control of the insects. In some cases, application of the chemicals has actually increased the population of the chemical-resistant insects. Many cases of chemical-resistant insects have cropped up in the U. S. , including the salt-marsh mosquito, house mosquito, wood tick (vector of spotted fever), brown dog tick, and German cockroach. Agricultural pest insects have also begun to develop Chapter 16 The Rumblings of an Avalanche 47 resistance to chemicals intended to control or eradicate them. It is unrealistic to expect to stay one chemical step ahead of the insects forever, yet that seems to be the approach of many in the chemical industry and farming. The development of chemical resistance is a perfect illustration of natural selection. The weak insects are killed while the tough insects survive and propagate, creating more insects with the tough characteristics. Scientists do not really know how insects develop resistance. Some develop resistance within a few months, while others take up to 6 years. Some people ask whether humans could develop resistance, but this is completely unrealistic; human generations last about 33 years, while several insect generations come and go within a month or so. Humans simply dont have time to wait hundreds or thousands of years until they are able to develop resistance. We must change our approach to the use of chemicals for attempted insect control. Chapter 16 The Rumblings of an Avalanche Analysis This chapter serves as the denouement or crucial turning point in Carsons carefully crafted argument: not only do chemicals harm the environment and human beings, but ultimately they do not even work against the insects they are intended to destroy. As in earlier chapters, she augments her argument with layers and layers of frightening facts. She pounds home the conclusion that the only outcome to greater and greater application of chemicals is total decimation of the planets life, and she quotes a Dutch scientist as a sort of voice in the wilderness, proclaiming the desperately needed switch from chemical to natural means of insect control. The quotation asserts that humans arrogance and ignorance will be their downfall, and that what is needed is patient cooperation with the powers of nature. Chapter 16 The Rumblings of an Avalanche 48 Chapter 17 The Other Road Chapter 17 The Other Road Summary In our use of ever-increasing levels of dangerous chemicals in our environment, we have been traveling a road that seems easy but will end in disaster. The other road of this chapters title is the path of non-chemical control of unwanted insects and plants. Only by this other road, the one less traveled by, can we ensure our planets survival. It is up to us to assert our right not to be poisoned. A huge variety of alternatives to the dangerous chemicals used ineffectively against insects is available. Whether they are already in use or in laboratory development or exist so far only in the imaginations of scientists, they are biological solutions based on the whole of nature and its intricate network of so many different kinds of life. It is becoming increasingly clear that insecticides are more harmful to humans than to the insects we have sought to control with these chemicals. One alternative method of insect control is sterilization, in which sterilized males of the species are introduced into the environment. When the sterilized males mate with females, the life cycle is interrupted, and a whole generation of insects is eliminated. Populations of pest insects such as the screw-worm have been wiped out with the method of disseminating large numbers of sterilized males. A number of other species are being tested for susceptibility to control by sterilization, in hopes that populations of disease-carrying insects, such as the tsetse fly, may be greatly reduced, thus improving healthful living conditions for thousands of humans and livestock. Experiments are being conducted to test various methods of insect sterilization, some of which are chemical. We must exercise extreme caution, however, because widespread use of these new chemicals might put us in even deeper trouble that we are already in. Chapter 17 The Other Road 49 Other biological means of insect control being studied include methods that use insects own processes such as venoms, attractants, and repellants against them. Scientists are studying the chemical makeup of these substances, as well as of insect hormones. One success story is the creation of an artificial gypsy moth male-to-female lure; the fake lure is used to bait traps that capture the males for census work. Such a false lure might also be used to control the moths population. Another possible way to control some insects is through manipulation of their extreme sensitivity to certain sounds. Still other biological means of insect control have been around for many years. These involve manipulating the diseases and infections to which insects are susceptible. As mentioned in previous chapters, the hunter-and-prey relationship between certain kinds of insects can be used against the undesirable insects. Similarly, bacteria and viruses and other microscopic creatures can be used to attack particular insects. A number of tests are being conducted on various crop-destroying insects around the world. Such methods are safe for humans because insect diseases are highly specific to insects; they are completely different from diseases that affect people. Since 1888, about 100 species of insect predators and parasites have been introduced and established in the U. S. to combat unwanted (often accidentally imported) insects. Only California has a formal program in biological control of insects; unfortunately, such research does not receive the monetary support that continues to be lavished on chemical research programs. Forests offer an incredible opportunity to cooperate with nature in controlling unwanted insects. Canada and Europe have gone much further than the U. S. in developing real forest hygiene practices, especially the strong support of birds through nesting box programs and the like. In Germany and Italy, red ants have been used very successfully to protect reforested areas. Spiders are a huge part of the work of a pioneer in the field of natural forest protection, Dr. Heinz Ruppertshofen. Incredible insect control can be achieved by maintaining an adequate spider population. Canada has used small mammals for similar purposes. A single shrew can eat up to 800 sawfly cocoons in one day. Chapter 17 The Other Road 50 The key is to be imaginative, creative, and cooperative with natures inherent balances. The use of poisons has failed terribly and continues to fail despite ever-increasing efforts to find new and better poisons. We must stop trying to beat nature with the club of man-made poisons and learn to work within the intricate structure of the earth. If we do not, we will destroy the earth and ourselves. Chapter 17 The Other Road Analysis Carson ends her book with a strong, positive call to action. She provides a spark of hope by providing details about numerous efforts at natural insect control that in many cases have succeeded beyond expectation, even where chemical application has failed miserably. She emphasizes the miraculously interwoven relationships among the thousands of species on the planet and the hope that we humans can give up our arrogance and brutality before it is too late. In contrast with the nightmare-fairytale described in the first chapter, with its once upon a time tone that suddenly twists into a macabre reality, this chapter provides a hopeful but realistic possibility for the future if only we listen and demand change. Chapter 17 The Other Road 51 Key Figures The Chemical Industry Because Carson refrains from naming particular corporations, the pesticide makers assume the monolithic shape of an evil empire in Silent Spring. Yet Carson does not preach at the industry . Yes, it develops hundreds of new deadly toxins a year, and, through disinformation and pressure on government agencies, it promotes their widest possible use the book is very clear about these things. But Carson seems to view such activity as natural to the commercial enterprise and wastes no time calling on pesticide producers to reform themselves. The Government The government is the other great villain in Carsons story, and though one might think it is the chemical industry that bears primary responsibility for what has occurred, she is much more critical of public servants. Her thinking seems to be that more is to be expected of government. In succumbing to political pressure and helping pesticide makers promote their products, she argues, government has lost sight of its raison detre (reason for being), protecting the public interest. Carson holds that instead of echoing industry disinformation and spending taxpayers money on reckless pest eradication programs, agencies like the Department of Agriculture and the Food and Drug Administration ought to impose stricter controls on the development, sale, and use of dangerous chemicals and to fund more research. Nature An overview of key figures in Silent Spring that did not mention nature would be quite incomplete. In terms of the amount of attention that is devoted to them, plant and animals are the most important characters in the book, surpassing humans by a wide Key Figures 52 argin, who are the focus of just a few chapters. Still, despite the almost infinite variety of life forms that Carson mentions, there emerges a single image of nature that has a crucial function in Carsons case against pesticides: nature as a fabric of life in which all things are connected, from the smallest of soil microbes to human beings and other large mammals. If readers accept such a v iew, they must also agree with Carson that the sledgehammer-like approach of current pest control introducing large amounts of extremely toxic chemicals into the environment to eradicate a few species of insects is indefensible. What poisons one part of the fabric of life poisons the whole. The Public Along with wildlife, the public is a major concern in Silent Spring. The image the book projects of this collective entity is that of a victim of the chemical industry, betrayed by irresponsible public officials and exposed to toxic pesticides at every turn. As the terrible side effects of pesticides become clearer, the public begins to ask questions, demand answers, and insist on greater responsiveness from government agencies. The Visionaries The heroes of Silent Spring come from several walks of life: scientists laboring patiently in an often tedious and seriously underfunded area of research to determine the precise scope of the pesticide threat; birders and other amateur naturalists, whose careful observation of wildlife in the field yields essential information about the problem; activists driven by a deep concern for their communities and the natural environment to challenge industry and government to behave more responsibly; and philosophers, writers, and other thinkers who help citizens understand the cultural sources not just of the pesticide problem but of the whole range of trouble that modern civilization has stirred up with technology . What all of these individuals share is an uncommon power discernment. Simply recognizing the broad impact of pesticides on Nature 53 the environment and health is a significant achievement. What makes Carsons visionaries even more remarkable is their having probed this tricky problem with great precision in the face of widespread disinformation and obstruction. The Visionaries 54 Themes The Science of Pesticides One of the great insights of Silent Spring is its grasp of the pesticide problem as a compound one. On one hand, there are the intrinsic dangers of these chemicals: their capacity to disrupt basic biological processes, their persistence in the environment, and so forth. But Carson knew that the manner in which a dangerous substance is also crucial. To understand how compounds like DDT and malathion have come to threaten life on a global scale, one has to examine what has been done with them. Each of the major themes of Silent Spring belongs then to one of two lines of argument; the first concerns the raw toxicity of pesticides, the second the recklessness with which they have been employed. Along with atomic fallout, the synthetic pesticides that came into wide use after World War II are the most dangerous substances man has ever created. The heart of the problem, science has shown, is the pesticides unique capacity for disrupting critical biological processes like metabolism and cell division. Acute exposure can cause catastrophic systemic problems paralysis, immune deficiency, sterility, etc. and small doses repeated over time can lead to grave illnesses like cancer. Carson attributes this radically disruptive potential to the distinctive molecular structure of synthetic pesticides. Part carbon, they mimic the substances that are crucial to life (enzymes, hormones, etc. ) and so gain entrance to sensitive physiological systems. Once inside these vital systems, the elements to which the carbon is bound (chlorine and other deadly materials) wreak havoc on the organism. Two other properties that increase the hazard of pesticides are, first, the slow rate at which they break down and become less toxic, and, second, their tendency to accumulate in fat tissue. It is these characteristics that make even low-level exposure to pesticides so dangerous. A dose that is too small to cause immediate harm

Tuesday, November 5, 2019

Jokes About Engineers and Engineering

Jokes About Engineers and Engineering Browse this collection of engineering jokes, engineering riddles, and other engineer humor. Definition of an Engineer What is the definition of an engineer? Answer: Someone who solves a problem you didnt know you had, in a way you dont understand. Scientist Versus Engineer A scientist can discover a new star, but he cannot make one. He would have to ask an engineer to do that.- Gordon L. Glegg, British Engineer, 1969. Engineers and Glasses The optimist sees the glass as half full. The pessimist sees the glass as half empty. The engineer sees the glass as twice as big as it needs to be. Engineers: Wife or Mistress? An architect, artist, and engineer were discussing whether it was better to spend time with their wives or mistresses. The architect said, I like spending time with my wife building a firm foundation of a marriage. The artist said, I enjoy the time I spend with my mistress because of all the passion and energy. The engineer said I enjoy both. If you have a wife and a mistress, both women think you are with the other so you can go to work get more done. Engineering Joke A girl asked her boyfriend, an engineer, Dont you want to see where I was operated upon for appendicitis?The engineer replied, Oh, I hate to see a hospital. It Takes One to Know One Engineer and Mathematician (males) were given the opportunity to compete for a very attractive woman. But there was one condition: You can only run half the remaining distance between you and the lady. Eng. sprinted forward while Math. didnt. Why arent you running? Asked members of the Committee. Because, by definition, I will never be allowed to reach my target. And you Eng. why are you running? Dont you know the same? Yes, said Eng. my learned friend is correct. But I will get close enough for all practical purposes. Engineer Priorities An engineering major sees classmate riding up on a new bike and asks when he got it. I was walking back from the computer lab when the most beautiful woman I had ever seen rode up on this bike, stopped, took all her clothes off and said to me Take what you want! Good choice, the friend replies. The clothes probably wouldnt have fit you. EE Humor I keep trying to find a phone number in Atlanta, but all the websites keep returning Not Found errors. (Explanation: The area code for Atlanta is 404 as in HTTP 404, the error code for File Not Found) Engineering Degree Joke A graduate with a Science degree asks, Why does it work? A graduate with an Engineering degree asks, How does it work? A graduate with an Accounting degree asks, How much will it cost? A graduate with a Liberal Arts degree asks, Would you like an apple pie with that? Mechanical Engineers, Civil Engineers and Chemical Engineers What is the difference between Mechanical Engineers and Civil Engineers? Mechanical Engineers build weapons; Civil Engineers build targets. Chemical Engineers are engineers that build targets that explode really well.

Sunday, November 3, 2019

History of music Essay Example | Topics and Well Written Essays - 750 words

History of music - Essay Example Assuredly, music has evolved with time and we can now enjoy live concerts, audio music, videos, and instrumentals. It is arguably true that most people think and identify with the idea that only the elite and educated audience enjoys classical music. This follows an observation that only the snobs, intellectuals, racists, and educated people attend classical music concerts. Indeed, this has been a consistent tread and the mindset to believe in this argument has been there for decades. However, this is not necessarily true. In fact, there has been a common belief that the young generation, the less educated, and the less wealthy do not want to attend classical concerts because either they cannot afford entrance fee or they suffer inferiority complex because of the apparent intellectual superiority that entails a classical music concert. However, I can establish that this is not necessarily true as the same class of people easily afford pop and football tickets which are reasonably expensive that classical concert tickets. Hence, I derive that the only reason why the less educated or the public fails to attend classical music concerts is that they lack exposure to this genre of music. Otherwise, with significant exposure, everybody enjoys classical music. Therefore, I suggest that we introduce and encourage children to enjoy and recognize the beauty in classical music while still at school. With this, we will be able to eliminate the apparent inability to attend classical music concerts.

Friday, November 1, 2019

Opposing review Essay Example | Topics and Well Written Essays - 250 words

Opposing review - Essay Example With the turn of the generation, PES failed to make the next-gen jump while FIFA showed it was ready to up its game.† (FIFA 12 Vs PES 12) The opening paragraph which has been quoted above is itself very debatable, PES has been getting better with every single game but the writer fails to acknowledge the same. PES has also been improving with each game, why would the same game be bought over and over again by the fans is something the writer must answer. The article goes on to say that the last game brought out by Konami the makers of PES was very different from its other games but in all fairness there were quite a few similarities between the last one and the earlier editions but significant changes were surely made. To conclude it is very fair to say that the writer has failed to analyze the strengths and weaknesses of the two games. A better analysis should have been written and the two games should have been better