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TIL Whales will defecate to defend themselves, creating a "poopnado" by evacuating for several minutes and bobbing up and down and splashing its tail around in the waste

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Wk77L TIL when African elephant bulls enter “must” (a rutting phase of the reproductive cycle), they experience Green Penis Syndrome. During this time they secrete pungent liquids from their temporal glands, while the penis turns green and releases a constant dribble of strong-smelling urine.
nZrr TIL at one point of time lightbulb lifespan had increased so much that world’s largest lightbulb companies formed a cartel to reduce it to a 1000-hr ‘standard’
QLrX TIL The Japanese pilot who attacked a town in Oregon during WW2 returned years later to present his family’s 400 year old sword in apology
eLnk TIL Musket shot (bullets) were made by dropping molten lead from a tall tower, allowing it to cool into a sphere on its way down.
j01a TIL that Leonard Nimoy met many fans who became scientists because of Spock’s example, and talked to the ‘Star Trek’ actor as if he were a fellow researcher. Nimoy always nodded and told them, “Well, it certainly looks like you’re headed in the right direction.”