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TIL DNA has a half-life of approximately 521 years, meaning that it would be broken down so much as to be useless after about 1 million years.

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WkQjA TIL that a human being can remain perfectly functional after having an entire cerebral hemisphere removed. One patient completed college, attended graduate school and scored above average on intelligence tests, with literally only half a brain.
WkR9o TIL In the USA, Representatives do not have to live in their districts, only their states.
9wAaG TIL Killer Whales are considered natural predators of moose. Moose have been attacked while swimming between islands in northern Canada and Alaska.
X0jAr TIL The Royal Canadian Mint’s International Minting division produces currency for about 80 countries.
e9pJ TIL that purple as a color is similar to violet, but violet is a spectral color with its own wavelength on the visible spectrum of light whereas purple is a composite color, made by combining red and blue.