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Humans Trivia at UselessKnowledge.com | Trivia, Quotes, Quizzes
Humans
» The “spring up, fall out” phenomenon says children grow twice as fast in the spring as they do in the fall, while they gain more weight in the fall.
» In all of history, the most destructive disease is malaria. More than 1.5 million people die from malaria every year.
» The ability to firmly grip with your hand comes from the muscles in the forearm. The muscles pull on tendons in the hand, bending the fingers.
» In ancient Rome, gold salves were used for the treatment of skin ulcers. Today, gold leaf plays an important role in the treatment of chronic ulcers.
» In dentistry, a “mulberry molar” is a tooth with more than the usual four cusps.
» In medieval Europe, alchemists mixed powdered gold into drinks to "comfort sore limbs," one of the earliest references to arthritis.
» The skeleton of an average 160 pound body weighs about 29 pounds.
» The skin is only about as deep as the tip of a ball-point pen. First-degree burns affect only the very top layers of the skin; second-degree burns, midway through the skin's thickness. Third-degree burns penetrate and damage the entire thickness of the skin.
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