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TIL of the elaborate watch commissioned as a gift for Marie Antoinette 10 years before her execution. It was finished 34 years after her death.

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8QPP TIL That Vanguard 1, America’s 2nd successful satellite launch is the oldest man-made object in space.
XEyEE TIL Dogs like to be with you when you poop because when animals are pooping they are vulnerable. Thus, in packs, they take turns pooping and a few of them stay for being lookouts in case they are attacked.
d7bZ TIL that the Airbus A380 jumbo jet was so well insulated from engine noise that the pilots couldn’t sleep during their rest periods as they could hear every crying baby, snoring passenger, and toilet flush. To combat the problem, Airbus was considering piping ambient noise back into the plane.
W7G6d TIL in 1991 a warehouse in Wisconsin holding over 4,000 tonnes of butter caught on fire. After five hours the melted butter flooded and formed a "butter river" that was 2-3 feet deep and as much as 5 feet deep in some places. The fire lasted for 8 days.
x6Om7 TIL Humans emits a faint visible light that is 1000 times weaker than what the human eyes can detect | Science