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TIL that in ancient Rome, urine was so valuable for cleaning and tanning leather that emperors placed a tax on it.

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jNPva TIL Jackie Kennedy once wrote an essay to Vogue for a competition, where the winner would win an editor position for six months in New York and six months in Paris. Out of more than 1,200 entries her essay won, but she quit on her first day.
v0jr TIL the development of the golf tee was the last major change to the rules of golf. Before this, golf balls were teed up on tiny heaps of sand provided in boxes.
MexOb TIL that silly string has military usage in the detection of tripwires. The string would settle onto the ground in areas without tripwires, but catch on to any that is present. The silly string reveals the wire, but it will not set it off due to its light weight.
O5ye TIL The militarized border between North and South Korea, with practically no human inhabitants, has become a refuge for multiple endangered species
nYKW TIL that Germany recycles more than any other nation in the world. 65% of total waste there is recycled.