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TIL A Chinese Woman Led the Largest and Most Successful Pirate Fleet in History

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jLYn TIL if conditions aren’t right tadpoles remain tadpoles until conditions improve even living through winters in their ponds
69pbm TIL that Tudor England strictly regulated begging. Healthy beggars would be whipped or branded with a "V." Only the sick or weak were allowed to beg—and only in assigned areas. If caught begging elsewhere, they were punished.
rNDWe TIL that the first flashlight in 1899 could only run for 5 minutes before needing to allow its batteries to recover, and could only run for 30 minutes before it needed a battery replacement. Its output was about 1 lumen of brief flashes of light. It was used mostly by policemen and railway workers.
w4PW TIL that the Sun loses around 4 million tons of mass per second due to fusion
x6agb TIL that some mountain climbers carry their own waste in their backpacks.