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TIL of SawStop, a device that will stop a table saw in 1/1000th of a second if it detects a hand

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kJZJ7 TIL of Volcano Snails, an endangered species of gastropod that live only around deep-sea hydrothermal vents, in environments that reach 400°C (750°F). They are the only living animals that possess an armour of hundreds of iron and pyrite mineralised plates (sclerites), and have an iron-infused shell
exMJ TIL that Israel has what’s known as the ‘Samson Option’ – A nuclear strike against every nation on Earth if they feel their existence is threatened.
Wx9d TIL 70% of milk served in U.S. schools contains on average 4 teaspoons of added sugar per serving (about half the amount of sugar as a serving of Coke).
xr50 TIL when a drone bee mates with the queen, his orgasm is so powerful it causes his genitals to explode, killing the male and leaving his penis inside the queen. The explosion is so powerful, it’s audible to human ears.
gMKkL TIL i learned that Finland has the cleanest air in the world by country