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Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.