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Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Did you know?
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?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.