› added 8 months ago

31

TIL almost all vertebrates yawn. Mammals, birds, reptiles, amphibians, and even fish all share this trait.

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mxE8Y TIL San Francisco has the lowest percentage of children among the largest cities in the United States — with just 13.4% of inhabitants under 18
6MB7 TIL that no one, including an expert Belgian botanist, could find a method of pollination of vanilla to make it viable for cultivation outside of South America… until a 12-year-old slave named Edmond Albius discovered it could be hand-pollinated. This led to the global cultivation of the plant.
ngL7 TIL a gravitational anomaly called The Great Attractor pulls Milky Way and millions of other galaxies towards itself at a breakneck 22 million kilometers (14 million miles) per hour.
m0Wp TIL that the U.S. Government believes that very high quality counterfeit United States one hundred-dollar bills have been made by unknown organizations or governments, and that most likely most of these notes were produced in North Korea.
x6Jlk TIL after a typhoon severely damaged the USS Hornet, the carrier attacked Japanese forces by launching airplanes over her stern while in reverse.