› added 9 months ago

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TIL about hikikomori, young Japanese people who take refuge from society by refusing to leave their bedrooms, the word translates as “to withdraw from society “. They are called The Missing Million.

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9Yrr TIL that Kangaroos hop because they can’t move their legs independently
DQgrD TIL Deep-sea divers use a mix of 79% helium and 21% oxygen, making their voices squeeky. They need to use pitch control to understandably communicate.
xdD5 TIL that woolly mammoths still walked the Earth during the time of the construction of the Great Pyramid in Egypt
KOxoB TIL Drowning people almost never shout, thrash or wave for help. 10% of children who drown are supervised by adults who don't recognise the signs.
vWm8 TIL the rotary phone was invented by an undertaker. The operator in his hometown was married to his competition, so the rotary dial was a way to bypass the human operator.