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Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto
A nerve cell (neuron) has extensions called dendrites