Science & Technology Essays and Term Papers

last forty years, Uranium has become one of the worlds most important energy minerals. Primarily, Uranium produced in Australia has used for the sole production of electricity. However a small proportion of the Uranium mined is for important medical…

autism appear indifferent and remote. They are normally unable to form emotional bonds with others. Although people with this brain disorder can display a wide range of symptoms and disabilities, many are incapable of understanding other people's…

society, but one of the most serious of those disorders is autism. Autism is not nearly as widely known as the familiar Down’s Syndrome, yet, surprisingly, autism is far more widespread. In fact, autism is the third most common developmental…

forth as he worked a crossword puzzle. I tried to distract him from working the puzzle to ride bikes with me. I continuously asked him to play with me, but he kept staring at the puzzle while I attempted to look in his eyes. He took the puzzle apart…

to an era. Although all the leaves fall and the sun fails to shine for as long each day as it did during the summer, the death of the cycle of the living seasons is spectacular. It brings vibrant color, tolerable weather, and the promise that it will…

hard to imagine something so innocent could be so destructive. Just picture a few tons of snow traveling down the mountain at approximately 80 miles per hour, taking down everything in its path. Avalanches have been a threat as long as there has been…

boy who is attacked by a mysteriously crippling disease. The onset of the disease manifests itself in periods of what I can only term “suspended animation.” At one moment, the victim is engaging in a normal activity, and at another he appears to be…

Anthracis, the bacterium for the deadly disease, Anthrax, in 1877. Robert Koch grew the bacterium into a pure culture, demonstrated its ability to form endospores, and produced experimental Anthrax by injecting it into animals. Bacillus Anthracis…

Anthracis, the bacterium for the deadly disease, Anthrax, in 1877. Robert Koch grew the bacterium into a pure culture, demonstrated its ability to form endospores, and produced experimental Anthrax by injecting it into animals. Bacillus Anthracis…

cells, like plant cells, are surrounded by a cell wall. However, bacterial cell walls are made up of polysaccharide chains linked to amino acids, while plant cell walls are made up of cellulose, which contains no amino acids. Many bacteria…