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TIL since the 1980s the global twinning rate has increased by 1/3, or about 1.6 million twin pairs each year, which is more twin births than ever and peaking at an unprecedented level. Asia and Africa are currently home to 80% of all twin deliveries in the world.

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O9k7 TIL Black Sabbath’s Iron Man is about a man who goes to the future and sees the destruction of the world. When returning to his own time to warn people he is turned into iron and thus mocked. He decides to destroy the world bringing about the end he tried to prevent.
5YjV8 TIL Fruit flies are considered model organisms to understand human alcoholism. Also, after extensive binge drinking males are known to engage in homosexual behavior
xRo1 TIL of the Great Comic Strip Switcheroo of ‘97 in which several large comic strips switche creators for a day. It is considered one of the best switcheroos of all time
e7eb TIL that in 1998 the NIH changed lowered the BMI scores that would be normal, overweight, or obese. 29 million Americans became overweight over night, even though there was no clinical reason. However 7 out of 9 people on the committee worked for or owned weight loss companies.
5YE4k TIL of the chariot race sequence in Ben-Hur (1959): the set was the largest ever built at the time and took over a year and thousands of workers to build; the director's son, a stuntman, almost died; the extras rioted on camera; and the cars filming the race were slower than the horses