Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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On average, the stomach produces 2 L of hydrochloric acid per day.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
Worshipers and deities from the Abu Temple, Tell Asmar, Iraq.
Rashid Johnson, Souls of Black Folk.
Feather headdress worn by Aztec priests representing deities.