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TIL there has not been a single occurrence of a wild killer whale killing a human

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xVrrw TIL about the Opabinia, one of the strangest fossils ever discovered. It had five eyes on a flat, shrimp-like body without legs, was covered in chitinous scales and had a long, extensible mouhtpiece, like the one found in common houseflies, but much longer.
a8pmb TIL that Gordon Lightfoot released his famous ballad "The Wreck of the Edmund Fitzgerald" less than 10 months after the SS Edmund Fitzgerald sank in Lake Superior
VwXG TIL hundreds of thousands of books for sale on Amazon are created by content generating computer algorithms
vPRkR TIL the median income of people in the U.S. who describe themselves as full-time authors is just $20,300 when including all book-related activities
GYEYg TIL of "Penis Fencing", where two hermaphroditic flatworms battle each other with their dagger-like penises to determine which one will stab the other and inject them with their sperm