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The average office desk has 400 times more bacteria on it than a toilet.
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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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People about to have surgery must tell their health care providers about all supplements they take.
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There are more sensory neurons in the tongue than in any other part of the body.
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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.