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Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.