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TIL only female mosquitoes bite. This is because they require blood to produce eggs. Male mosquitoes don’t feed on blood. Instead, they eat nectar and juices produced by plants.

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Z8NvQ TIL astrophysicist Jocelyn Bell Burnell, who as a student discovered pulsars, credits her discovery to impostor syndrome and a fear of being kicked out of college; “I’m a bit of a fighter, so I decided until they threw me out I would work my very hardest". That discovery earned the 1974 Nobel Prize.
QN7WL TIL that the 428 Cobra Jet, one of Ford's most legendary high performance engines, was created by accident. It all started with a careless mechanic, a blown engine, and a resourceful shop owner. The resulting mishmash of components created such a beast that Ford itself decided to build it.
wgaY TIL that in 1382, a French bookseller named Nicholas Flamel claimed to have transformed lead into gold after decoding an ancient book of alchemy. True or not, historical records show that Flamel did come into considerable wealth around this time, and donated his riches to charity.
RQa6 TIL that the Netherlands used to flood certain areas in times of war to create a military defensive line. The water was too shallow for boats, but deep enough to hide traps and ditches under.
awMlL TIL about the Oorang Indians, An all-Native American NFL team put together as a marketing gimmick to sell Airedale Terriers