The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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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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There are 60,000 miles of blood vessels in every adult human.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
Southern Royal Albatross in flight
A Tau Emerald Hemicordulia tau in mid flight
Annibale Carracci, Landscape with Flight into Egypt.
“Fight or Flight” Response
A Snow Goose in flight.
US Airways Flight 1549 floats in New York’s Hudson River after collisions with geese incapacitated ...