There are 20 feet of blood vessels in each square inch of human skin.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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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.
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People about to have surgery must tell their health care providers about all supplements they take.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Toussaint L’Ouverture leads a revolt of slaves against the French in Haiti—the first and only major
A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact,
Average Number of Hours Slept per Day by Various Mammalian Species