Tutor and Freelance Writer. Science Teacher and Lover of Essays. Article last reviewed: 2020 | St. Rosemary Institution © 2010-2021 | Creative Commons 4.0

Chloroflourocarbons: Uses & Dangers

Chloroflourocarbons were discovered in the 1920’s by Thomas Midgley, an organic chemist at General Motors Corporation. He was looking for inert, non-toxic, non-flammable compounds with low boiling points that could be used as refrigerants. He found what he was looking for in the form of two compounds: dichlorodifluoromethane (CFC-12) and trichloromonoflouromethane (CFC-11). In both compounds,…

Prader-Willi Syndrome: Causes, Symptoms, Treatment

with no known cure; causing mental retardation, short stature, low muscle tone, incomplete sexual development, and its main characteristic, the desire to eat everything and anything in sight. Prader-Willi syndrome was first known as Prader-Labhart-Willi Syndrome after three Swiss doctors who first described the disorder in 1956. The doctors described a small group of kids…