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TIL a species of ant (Polyrhachis lamellidens) uses other species as slaves. A newly mated queen seeks out a Camponotus japonicus ant colony, sneaks in with stolen pheromones, then kills their queen single-handedly. Workers of the conquered colony raise their new master's brood.

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eoD4 TIL Wig theft was a problem in 18th Century England, with thieves using children, dogs, and monkeys to snatch the expensive wigs of wealthy people on the street.
ZOov TIL The Rwandan genocide - which caused 1 millions deaths - is agreed to be the direct cause of the First and Second Congo Wars, which caused 80000 deaths and 5.4 million deaths respectively. This means the Rwandan genocide probably caused 7.2 million deaths in total.
nxkB TIL that in July 2011, Apple Inc. had more cash in the bank than the US government.
E1eKx TIL that brown recluse spiders are pretty badly misunderstood and are nowhere near as dangerous and terrifying as everyone thinks they are.
R5kJ8 TIL Troll dolls were invented in 1959 by a Danish fisherman who couldn’t afford to buy his daughter a Christmas present. At its peak, 38,000 trolls were sold everyday until the hype faded away.