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TIL the term "Cockney" literally means "cock's egg" in Middle English. It originally referred to the small, yolkless eggs that farmers sometimes find in their chicken coops, and later became slang for a feeble and useless person—such as a city dweller.

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DWdD TIL left handedness occurs in 10% of the overall population but in 90% of people who are twins
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ANLRw TIL there are carnivorous caterpillars that wear the skins of their prey.
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