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TIL: There is a lake in the country of Palau where jellyfish evolved without stingers after the lake’s connection to the sea closed, leaving them isolated from their natural predators. These ‘Golden’ jellyfish are totally harmless to humans and you can swim with them.

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WEP4 TIL that not even a doctor can tell the difference between the lungs of a smoker vs. a non-smoker just by looking at them. Smoking cigarettes does not turn your lungs black
v14Ax TIL Buddy, the golden retriever that played the original Air Bud, is the same dog that played Comet on Full House. In 1989, his owner originally found him as a stray in the Sierra Nevada. He took Buddy in and trained him to play basketball, baseball, football, soccer, and hockey.
BkEr TIL the Hebrew, Greek, Latin, Cyrillic, Arabic, and possibly Indian alphabets are all derived from Egyptian hieroglyphs via the Phoenician alphabet.
6gdW TIL that Gene Roddenberry, the creator of Star Trek, resisted an effort by network executives to put a Christian chaplain on the crew of the Enterprise
kJGQB TIL of Cape Disappointment in South Georgia, discovered by an expedition led by Captain Cook who named it so after realizing that he had discovered an island and not a continent