“The use of destructive and nondestructive testing upon various animal species in order to better understand the mechanisms of human and animal behaviors, emotions, and thought processes. Biologists believe that chimpanzees share at least 98.4 percent of the same DNA as humans. Gorillas have a genetic composition which is at least 97 percent consistent with that of humans. Because the advancement of sci ...

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Published in 1755, Samuel Johnson's two-volume Dictionary of the English Language is generally thought of as the most authoritative and influential work of early English lexicography (a fancy word for dictionary-making). Yet contrary to popular belief, Johnson's wordbook was not the first. During the preceding century and a half, well over a dozen dictionaries of one sort or another had appeared in English. ...

Many of you are here only because penicillin saved your life, or the life of one of your parents or grandparents. Penicillin's ability to cure people of many once-fatal bacterial infections has saved so many lives that it is easy to understand why it was once called a "miracle drug". Antibiotics are chemicals, effective at very low concentrations, created as part of the life process of one organism, which c ...