› added 5 years ago

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TIL octopuses have 2/3 of their neurons in their tentacles; the mother dies almost immediately after the eggs are hatched, due to exhaustion; their blood is copper based which makes it blue; they can change the color of their skin, & also texture; they can watch and learn; evolved from snails.

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kO5Gd TIL dairy cows are fed slaughter waste, “trimmings that originate on the killing floor, inedible parts and organs, cleaned entrails, fetuses ...” because they need to consume a large amount of protein to keep up with continuous milk production, and slaughter waste is cheaper than supplements.
N7dEQ TIL a predominant cause of jet lag is the lack of available oxygen in airplane cabins. Airlines only pressurize cabins to levels equivalent to 8000 ft. above sea level to extend the lifespan of the plane.
WkkXL TIL that Marry, Mary, Merry, Bury, Larry, Leery, Fairy, and Ferry aren't all pronounced the same in other english accents
VMa7m TIL Reading Rainbow was canceled after funding shifted towards shows that taught children how to read rather than why to read. “Reading Rainbow encouraged kids to pick up a book and read.”
9YYgQ TIL McDonalds has sold over 100 billion burgers, selling to 68 million people per day, which is more than the entire population of the UK. They sell 75 hamburgers per second globally.