› added 8 years ago

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TIL that above 19,200m (63,100ft) above sea level, the body hits the Armstrong limit. At this point you’ll suffocate to death no matter how much air you inhale because the liquid wetting your lungs to let you breathe will boil away at body temperature, and is a major reason for pressurised suits.

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lobRK TIL that along with 20 people, two dogs were accused of witchcraft and executed by hanging during the Salem Witch Trials
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0w7Bv TIL that, in order to find out whether any given number is divisible by 3, it is sufficient to add together its digits: if the sum is divisible by 3, then the original number is.
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