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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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rRl01 TIL in 2004, Audi designed a fake car specifically for the Will Smith movie iRobot. This eventually inspired the birth of the Audi R8
b6OnQ TIL about Doggerland, a region of northwest Europe that was home to Mesolithic people before rising sea levels inundated the area and created a Europe better resembling today's Europe.
epDnn TIL about Margaret Ives Abbott the first woman to win a medal in the modern Olympics, and also part of the only mother-daughter pair to compete in one Olympics. Margaret won at golf, her mother, Mary, came in seventh. Coinciding with the Paris Exposition, many were unaware they were in the Olympics.
kO7xE TIL bananas can ripen avocados. Ripe bananas contain a natural plant hormone called ethylene, which triggers ripening in mature fruit. If both are placed in a paper bag, the paper bag traps the ethylene gas that’s produced by the fruit and speeds up the ripening process.
aWwo TIL American flags made in China are banned in the U.S. Military.