› added 10 years ago

300

TIL we nuked space in 1962

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E1Jlo TIL when children get “growing pains” it’s not actually a side effect of growth, it’s more likely caused by muscle overuse during the day.
BrWwK TIL The Toba Super-eruption was a supervolcanic eruption that occurred 75,000 years ago. It has been suggested this caused a volcanic winter lasting 6-10 years. The genetic bottleneck theory says the world population declined to 1,000-10,000 breeding pairs which we are all descended from.
womW1 TIL: The first black billionaire, Bob Johnson, lost his billionaire status due to a costly divorce settlement
LkPrm TIL the Pistol Shrimp can snap it's claw so fast that it fires "bubble bullets" which can travel at 105 feet per second, reach 210 decibels, temperatures of 8,000 degrees Fahrenheit, and also, a flash of light.
69WJ7 TIL anyone in the world, any age, can receive a personalized letter from Santa Claus in Canada for free if they write him and mail the letter to: Santa Claus, North Pole, H0H 0H0, Canada. Schools classrooms can get a poster sized letter with all students name on it too.