In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
Why people don't stop smoking
Joseph Banks
Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f
The American Sign Language Alphabet.
Joseph Beuys, I Like America and America Likes Me.
A whistle stop used to find top dead center. Remove the spark plug and install the whistle stop, ...