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107

TIL Sign language has tongue twisters

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Rk4l TIL The first American in space, Alan Shepard, said “Don’t fuck up, Shepard” before launch. This is now known among aviators as Shepard’s prayer
wlmP TIL if you are Jewish and 18-26 years old, you are entitled to a free 10 day trip to Israel
AjK7 TIL the Vietnam War is known in Vietnam as the American War
b6vPN TIL that as an April Fool’s joke, the Canadian government announced it was reviving the extinct passenger pigeon using dinosaur eggs
R707a TIL that "sperm washing" is a fertility technique used when a couple want to make a baby but the male partner is HIV+, so the sperm are washed to remove the HIV virus so it doesn't get transmitted to the mother or child.