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TIL, That since domestication, dogs' eyes have changed. Dogs now have eye muscles that make them more expressive and infant-like. These same muscles are absent in wolves, their closest relative.

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B5RD TIL The popular anti-nausea drug Zofran has nausea listed as a possible side effect
4X6Ma TIL Ameican women didn't start shaving their armpits until 1915... this sudden change was due to an advertisement in Harper's Bazaar fashion magazine. It was so effective that now 90% of US women shave their pits.
M69m TIL in a small town in County Cork, Ireland, a monument stands in appreciation to the American Choctaw Indian Tribe. Although impoverished, shortly after being forced to walk the Trail of Tears, the tribe somehow gathered $170 to send to Ireland for famine relief in 1847.
Mexym TIL Mr. Rogers once sued the Ku Klux Klan for pretending to be him
ANZJn TIL that though Nintendo is usually credited with having the first rumble feature in a controller, Sony released their first rumble controller first -- by 2 days