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10-28-2011 P.1 WRA 1 1. Barack Obama was elected President on 2008. Even though our ships company doesnt appreciate, he showed the last racial bar of American Politics was overcome. 2. Armstrong walks the moon. thats maven step for man, one heavyweight leap for mankind. The quotation says it all, Armstrong walking the moon was a heavy(p) achievement for mankind into a consentient new(a) orbit of familiarity towards science. 3. 1969 the Arpanet was invented, which is the starting line original profit. This tow many more accomplishments to the surface area communication system and now we even bewilder newsbreak messaging all around the world. In fresh day, the internet is even used for educational services world wide. 4. 1972-1985. The first CT and magnetic resonance imaging scans were invented. Before, x-rays were only two dimensional figures, besides taking many x-rays at different angles and making a com come egresser combine them into a cross atom x-ray. A n MRI is excellent for observing soft tissues that contain higher(prenominal) amount of irrigate while CT scans can be used to locution at head injuries and mind problems. 5. In 1980 the World health Organizations declares small lues venerea eradicated. Small pox claimed the life of many large number in the world and with the stripping of vaccine, now the world doesnt have to fear the stopping point of small pox. 6.

In 1980, Luis Alvarez finds evidence of dinosaur killing asteroid. He put out a theory that the rocks he put together with risky amount of iridium could have caused the dinosaurs extinctions. He put out a whole new idea of how we could understand the chronicle of dinosaurs. 7. 1975 Role of endorphins were ! discovered. This lead to many ways the brain has many receptors to pain killers and how the brain takes pain. Now, we have endorphins that are stronger than morphine that is associated with the packaging of medicine. 8. 1977 Life is found near deep ocean vents. This discovery showed how little hit the hay about our world. Now there has been new additions to the kingdoms in biological science with this discovery lead to...If you want to lounge around a full essay, order it on our website: OrderEssay.net

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