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TIL that when scientists put a hamster wheel out in the woods, different types of animals seemed to enjoy running on it, including mice, rats, snails, and frogs

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K1Qa TIL on 9/11 the Boston Air Traffic Center bypassed the “hijacking protocol” and called directly NORAD’s North Eastern Air Defense Sector (NEADS). NEADS and First Air Force decided to “get permission later” and scramble jets. Boston Center was NEADS’ only source of information throughout the attack.
BK0L TIL J.R.R. Tolkien would begin his lecture series on Beowulf by loudly reciting the beginning lines of the poem…in the original Anglo-Saxon language.
OGjPg TIL Billy Idol got his stage name from a chemistry teacher who described him as "idle" on a school report card. He originally wanted to be called "Billy Idle" but thought it would sound too similar to Monty Python's Eric Idle.
OxpY TIL of the Voynich Manuscript. A 240 page book written in an unknown language in the 15th century that is comprised of illustrations of plants that don’t exist, and astronomical charts that seem alien in nature.
0Vg1 TIL - Without the presence of dominant male elephants, juvenile elephants of Pilanesberg bullied rhinos and female elephants until fully grown male elephants were introduced to quell the bad behavior.