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TIL an Ox is just a Bull that's made to work as a draught animal and is not a separate species.

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rVYx TIL if two identical twins have children with another pair of identical twins, then their children are genetically not half-siblings, but full siblings.
8N9V TIL that “nauseated” and “nauseous” are not interchangeable: “I am nauseated” means “I feel sick,” but “I am nauseous” literally means “I cause a feeling of sickness.”
JjJ8 TIL that the world’s tallest man, Bao Xishun, used his incredibly long arms (1.06m) to remove plastic from the stomachs of 2 dolphins, which ultimately saved their lives, after trainers tried numerous other methods.
ne8G7 TIL if you flush with the lid up, germs will still be in the air 90 minutes later
vPwg4 TIL about Superfecundation/bipaternization, when a woman is pregnant with 2 babies at the same time each with a different father.