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TIL mammalian placentas have the genes of both parents. The mother's side of the placenta contains her genes but on the embryo's side are paternally imprinted causing what animal breeders call the "Paternal Grandsire Effect" causing certain traits to skip a generation.

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a8dYb TIL Hockey pucks were once square
LQMAZ TIL that the "Frisbee" was originally a pie tin from Frisbie's Pie Co and that's where the name comes from.
6POZ TIL The San Francisco Giants eradicated their Seagull problem with a Red Tailed Hawk named “Bruce Lee.”
OodJ4 TIL in 2019 thieves broke into the Green Vault, the largest collection of treasures in Europe, escaping with an estimated $1 billion in items. There are no known suspects and no one has been arrested to date.
lxB5 TIL the inventor of the television would not let his own children watch TV. He once said to his son “There’s nothing on it worthwhile, and we’re not going to watch it in this household, and I don’t want it in your intellectual diet.” - Philo T Farnsworth