Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
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.
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There are more sensory neurons in the tongue than in any other part of the body.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.