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TIL The Giant Squid demonstrates Deep Sea Gigantism, a phenomenon whereby deep dwelling species grow far larger than shallower water relatives to be more efficient in the depths where food is scarcer

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via reddit.com

NXvA1 TIL that female spotted hyenas have penises that they can pee out of. They also use them to mount other hyenas, both male and female, and to show dominance.
XaO6 TIL that today, the true source of the Amazon River, the world’s largest river, is still widely disputed
DQP4p TIL that Sigmund Rascher, a scientist who performed inhumane medical experiments at Dachau, was himself imprisoned and executed by the Nazis at Dachau after it was revealed that he and his wife were committing fraud by kidnapping (German) babies.
Yv9A TIL Sir Ian McKellen was born at the start of WWII with the war having a lasting impact on him in his young age - “only after peace resumed … did I realise that war wasn’t normal”
5V5bn TIL that the country of Macedonia changed its named to North Macedonia in 2019