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TIL Steve Harvey sent a television for Christmas every year to the Teacher Who Said He'd Never Be on Television.

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VBBrk TIL that time dilation is the reason we can use muon tomography to scan the Great Pyramids. From their point of view, muons only live a very short time. But they go so fast that from our point of view, they live long enough to penetrate the atmosphere and large objects.
KObQE TIL that the crazy colors and patterns you see when you rub your eyes are called "PHOSPHENES." Researchers believe that this "biophotonic light" actually comes from inside of our eyes in the same way that fireflies emit light.
aw84y Not really, but urine has been a faddish health drink for centuries nonetheless. Celts in the Iberian peninsula gargled it to whiten their teeth about 50 years before Christ; amaroli is a Sanskrit word that refers to urine therapy, which in ancient Ayurvedic practice meant imbibing urine in the morning, mid stream; Proverbs 5:15 is thought to be in support of the act ("Drink waters from thy own cistern, flowing water from thy own well"); and J.D. Salinger famously sipped his own, as did the former prime minister of India, Morarji Desai, who even appeared on 60 Minutes to defend his habit.Click here to launch a gallery about urine therapy.
a8OoZ TIL a brinicle is formed when sea ice cracks and leaks saline water to the open ocean. The heavier-than-water brine sinks to the ocean floor while freezing the fresh water it comes in contact with, growing downward. A brinicle reaching the sea floor can catch creatures like sea urchins and starfish
P1PXZ TIL the real jack sparrow was muslim, and he changed his name to yusuf reis