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TIL Traditional Moroccan sinks, bathtubs, water vessels, and many interior surfaces are literally made out of soap scum—the traditional soap-treated lime plaster “Tadelakt” is formulated for its water repellent properties and contains the same compounds as soap scum (Ca stearate, Mg stearate, etc).

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loR0a TIL: NASA calculated that Three Gorges Dam (Hubei) affected earth rotation. When the water level is at its maximum the dam contains 39.3 km3 of water and this altered the Earth’s moment of inertia slowing it's rotation of 0.06 microseconds.
BrZQe TIL of the Service Recovery Paradox - If a customer has an issue with a company, and the company then remedy this, that person is more likely to rate that company highly than if there was no problem at all
ne4BY TIL Weird Al’s “The Saga Begins,” which summarizes the plot of The Phantom Menace, was written two months before the movie’s release. He wrote most of the song using rumors leaked onto the Internet.
mDpE TIL Babe Ruth once tried cricket. Finding the cricket stance uncomfortable he decided to use his baseball stance. He destroyed the bat and sent the ball flying multiple times, but lost interest in the sport after he heard what the best cricket batsmen were paid: a mere $40 a week.
YOkW TIL that Ulysses S. Grant’s parents did not attend his wedding because his fiancé’s family owned slaves.