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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.