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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.