› added 1 year ago

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TIL Humans have a third set of teeth, but the genes for this set are inactive.

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6EedW TIL Milling is a training activity in the British airborne infantry. For a fixed period, two opponents punch each other in the head as aggressively as possible without evasion. An instructor described milling as "arguably the most important event of the [training] course"and its "flagship event"
Wkp8Y TIL that 80% of toilets in Hong Kong are flushed with seawater in order to conserve the city's scarce freshwater resources
jN7ov TIL that 90% of the earth's human population lives in the Northern Hemisphere
nW7e9 TIL Female capuchin monkeys throw rocks at male monkeys in order to indicate sexual interest.
yQjYw TIL about Special Forces intel officer COL James N. Rowe who was a POW in the Vietnam War. Rowe spent 62 months in captivity, battled numerous diseases, solved engineering problems to disguise he was an intel officer, and escaped via helicopter by over-powering the guards.