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TIL at a Marine Mammal Institute, dolphins were trained to turn in garbage that fell into the tanks in exchange for fish. One dolphin was smart enough to hide pieces of paper under a rock, tearing off smaller pieces from the paper in order to get more fish out of it.

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W7j8X TIL that Japan's most luxurious car the Century has not been positioned and marketed as a sign of wealth or excess. Marketing literature states roughly that, "the Century is acquired through persistent work, the kind that is done in a plain but formal suit."
X07Qj TIL Marc-Antoine Fardin published a paper in which he cited photographs of cats in jars, baskets and salad bowls and concluded that cats have the properties of both solid and liquid objects. For this work, Fardon was awarded the Ig Nobel Prize in Physics in 2017.
nWp9b TIL women who had their last kid after 33 had double the chance of living to 95 or older as opposed to those who had their last one by 29. According to a 2020 study, women who gave birth after 40 were four times more likely to live to be a 100 years old.
wopL1 TIL a man missing nearly 30 years was found alive and living just 80 miles away from where he disappeared after he helped solve his own disappearance by telling a social worker he had a flashback and remembered his name. He had reportedly suffered major memory loss due to a head injury.
LQNp TIL that the canned pumpkin most people use for pumpkin pie is actually just butternut squash.