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TIL You only need to use 39 digits of Pi to accurately determine the circumference of the universe to within the width of a single hydrogen atom. (Insert “your mom” jokes accordingly)

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via ift.tt

059M TIL that flight attendants are trained to look for signs of human trafficking and even volunteer to help law enforcement every year at one of the biggest events of human trafficking, the Superbowl.
yQaE8 TIL that on October 10th, 1941, the German government declared victory in the war against the Soviet Union
oMAr TIL that there is a rare snail that was named in honour of Steve Irwin, “Crikey steveirwini.”
6nMZ TIL coffee was originally a food, not a drink. Early East African tribes mixed the coffee berries (the unhulled bean) with animal fat, forming the first ‘power bars’.
16wVO TIL the rate of childhood obesity is highest in Greece, with 44% of boys being overweight. Italy, New Zealand, and Slovenia are next, with the US in 5th at 30%