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TIL human sweat is the most extreme and distinctively human evolutionary trait as a whole.

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YpdPZ TIL The cast of FRIENDS each made $1M per episode in the final two seasons and now make $20M per year per cast member for reruns. The show still generates $1B/year for Warner Bros. All thanks to David Schwimmer encouraging the cast to negotiate as a team.
RvV8 TIL that s5 0014+81, the biggest suppermassive black hole known, is so bright due to it’s huge event horizon that if it were 100 light years away from Earth (6.31 billion times more distant than the Sun), it would appear just as bright as our host star.
R5Lxj TIL that sloths can hold their breath longer than dolphins. Sloths can hold their breath for up to 40 minutes and are actually very good swimmers.
KOo19 TIL that the Great Pyramid of Giza built around 2560 BC was the tallest man made structure in the world for over 3,000 years until the building of the Lincoln Cathedral in 1311 AD
0w9Gp TIL that due to overproduction, American dairy farmers dumped more than 43 million gallons of milk into their fields in the first eight months of 2016. Enough to fill 66 Olympic swimming pools. Part of the problem is people are turning to dairy-free alternatives like almond milk and coconut milk.