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TIL Crows can recognize individual human faces, and will warn/teach other crows of specific individuals they find threatning.

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x6511 TIL that The Philippines consists of 7,641 islands, about 2,000 of which are inhabited that form an archipelago.
5RQP TIL of Dewey Bozella, a Boston native who was imprisoned for 26 years for a murder he did not commit. In those 26 years, 2 felons put the murder on him, was denied parole several times, the evidence against him was destroyed by police, and evidence proving his innocence was never brought to trial.
lo6L5 TIL Jack, a baboon, was employed to change rail signals. After initial skepticism, the railway decided to officially employ the baboon once his job competency was verified. He was paid twenty cents a day, and 1/2 a bottle of beer each week. In his nine years of employment, Jack never made a mistake.
VBXK8 TIL research suggests "huh?" is a universal syllable. It's used to express confusion in at least 31 different languages, e.g. Icelandic, Dutch, Japanese, Hungarian, Lao, the Aboriginal Australian language Murriny Patha, Cha’palaa (spoken by 3k indigenous Ecuadorians), and of course, English.
D1xoj TIL if you trace back the family tree of a drone bee, the number of parents in each generation follows the Fibonacci sequence.