In 1945 dentists set out to prove that adding fluoride chemicals into public water supplies safely prevented childrens tooth decay. The studies failed; but early fluoridationists ignored this...
Cosmic rays believed to start in black holes Fri Nov 9, 2007 CHICAGO (Reuters) - Ultra-high energy cosmic rays -- particles that pack the punch of a rifle shot -- make their way to Earth from...
Part Ⅰ 1. Loneliness is most acutely for with others, even with a lover sometimes, we suffer from our differences of taste, temperament and mood. Human intercourse often demands that we soften...
Mars' polar ice caps were observed as early as the mid-17th century, and they were first proven to grow and shrink alternately, in the summer and winter of each hemisphere, by William Herschel in...
Most ethanol plants use grains for their raw material—but researchers are studying cellulosic ethanol, made from plant stems and leaves. Researchers at Kansas State University are studying a...
Wet trees tell a different story. For comparative purposes, the NIST fire safety engineers selected a green Scotch pine, had it cut in their presence, had an additional two inches cut from the...
- Shark researchers use various methods in order to catch sharks underwater. - The researchers can then study, observe, and perform various tests on the sharks without having to bring them out of...
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