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TIL fire can't burn in a zero-gravity environment; without gravity to create convection, the combustion byproducts become trapped around the flame and quickly deprive it of oxygen, snuffing it

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nWmJB TIL that there is a species of frog called the "purple frog" that spends most of its life underground and only emerges for a few days each year to breed during the monsoon season.
BlAy TIL a CT scan on the ancient statue of Buddha revealed a mummified monk.
Bg76D TIL Kermit & Theodore Roosevelt Jr. were the first westerners to shoot a giant panda.
grVx7 TIL The “smoker’s lung” demo in schools is actually “inflatable swine lungs stained realistically” to “unforgettably demonstrate the effects of prolonged smoking”
bk9 TIL a Greek newspaper was accidentally printed inside-out in its first issue, and they continued the tradition for over 100 years