Science & Technology Essays and Term Papers

on Alzheimer's Disease. This is a degenerative brain disorder that is found in older adults. This disease is characterized by the destruction of nerve cells and neural connections in the cerebral cortex of the brain and by a large loss of brain…

the mid nineteen sixties, environmentalism has exploded as a movement. Many environmentalists view modern industrial society as unsustainable and the way that western society functions as damaging the earth's natural biosphere and cycles. There…

to the Earth? Our home is becoming a barren mass of sorrow. Most people in America are blind to what is going on. Could it be that every individual is just turning a cheek the other way. America is faced with an extremely serious problem, and if it…

affects all of its residents, from Australians to Alaskans, and everyone in between. I am writing this analysis in regards to a letter I received addressing Earth’s population growth problem. This letter directed my attention to a situation of global…

you just threw up on me!” my friend yelled, as my vomit splattered to the ground. “Gross, look at that! Ha, ha, ha!” yelled a boy, as the whole school looked at me and laughed. It was my first day of intermediate school and I had a cold the…

any given day, a student athlete could walk into a trainers or coaches office holding up a bottle and ask “Hey coach, does this stuff work?” This young athlete, playing three sports a year, is referring to the dietary supplement called creatine.…

John Travis Issue: August 5, 2000 Does junk DNA help women muffle one X chromosome? Here's a riddle that will stump most people. What do calico cats--those popular felines with a patchwork of orange-red, black, and white fur--have in common…

new. Ever since the discovery of fire, less-than-desirable substances have been vented into the air. One of the first air-pollution regulations dates back to the fourteenth century, when King Edward I banned the burning of sea coal in lime kilns.…

group of predatory insects. They can be found throughout the tropics and in many of the sunny temperature zones in the world. Such as Southern Europe, North America, Canada, and South Africa. There are about 2,000 species in the world. The name…

a barrage of comets and asteroids. Some of these cross the paths of the other planets as well as the earth’s. The earth travels around in a swarm of projectiles. Comets and asteroids can and do strike the surface of the earth. Evidence from spacecraft…