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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.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The average office desk has 400 times more bacteria on it than a toilet.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.