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TIL snails, which are hermaphrodites, have sex by first stabbing each other with a tiny spike called a love dart, which determines who is more likely to be the 'male' in the exchange (the better stabber). Scaled to human size, the dart would be a 15-inch knife.

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kJYde TIL that Ikea’s catalog is as popular as the Bible and the Koran. More than 203 million copies of the catalog are distributed around the globe.
69brl TIL about the rare phenomenon of an "en caul" birth, where a baby is born still enclosed within the amniotic sac. Unlike typical births, where the sac breaks before delivery, in these cases, the baby emerges in a transparent bubble-like membrane. This occurrence is less than 1 in 80,000 births
MeA1A TIL of Hellfire Clubs, 18th century social clubs, extant in UK, where men and women gathered to perform socially unacceptable actions while simultaneously mocking religion, satirically, in a time when it was blasphemous to do so.
1aNjW TIL in 1941 German state, military and Nazi Party officials created a plan known as the Hunger Plan to seize food from the USSR to feed the German military and population. It was agreed that as a result tens of millions of Soviet citizens would starve to death within the first year of occupation.
0d0j1 TIL Saddam Hussein wrote four novels including a romance drama set during the medieval times. This was believed to be an allegory with the villain representing the United States and the hero representing Saddam Hussein.