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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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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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The average office desk has 400 times more bacteria on it than a toilet.