› added 4 years ago

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TIL that the majority of the alcohol industry's sales come from so-called problem drinkers—people whose drinking is destroying or risking their health.

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oRJXr TIL that small black holes are more violent than supermassive ones: the tidal forces at the event horizon gets substantially weaker the larger the black hole—you can theoretically survive a trip beyond the point of no return without being crushed
16Vxd TIL the largest rose tree in the world, located in Tombstone, Arizona, was planted in 1885 and now covers 5000 square feet and has a trunk that is 14 feet in diameter
Y7MYx TIL around 20% of sperm are abnormal and may possess two heads, no heads, or two tails. Known as "kamikaze sperm", they are theorized to attack and kill the sperm of rival males with enzymes and block them from reaching the egg.
1lWr TIL One of the founding members of Greenpeace left the organization because he believe that it had been taken over by left-wing political extremists.
7Bwr TIL Euchre is responsible for introducing the joker into the modern deck of cards