› added 3 months ago

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TIL David Attenborough, as a young TV producer, was instrumental in tennis balls being the colour they are today.

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ADaBg TIL A person with damage to the right brain hemisphere can develope a "joke addiction", a compulsive need to constantly make jokes
nD87 TIL that if you have blue eyes, you may be related to every other blue-eyed person in the world. Researchers in Denmark have found that every person with blue eyes descends from just one “founder,” an ancestor whose genes mutated 6,000 to 10,000 years ago. Before then, everyone had brown eyes.
loVA7 TIL Humans domesticated dogs before they developed written language
gMXZ8 TIL of the letter written by a slave named Jourdon Anderson who was freed from slavery after the Civil War, in response to his former master Patrick Henry Anderson's request for him to return to his old plantation and save his ailing business.
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