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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.