› added 6 years ago

371

TIL that 1/6th of the worlds population died in the An Lushan Rebellion between 755 to 763

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xMXg TIL that the snow you see on analog televisons is a signal caused partially by the cosmic radiation of the Big Bang
Mmpb TIL that one liter of gasoline can deliver 35 megajoule of energy. This is the amount of energy one square meter of land receives from the sun, in the best conditions, in approximately ten hours.
8aZRK TIL Synchronized swimming is one of the world's worst sports for concussions--one coach estimated that 100% of his synchronized swimmers have sustained a concussion at some point during their career
BgBdk TIL that the creation of Isthmus of Panama 3 millions years ago changed the world. First, it connected two isolated systems causing massive extinctions. Second, created the Gulf stream that makes Europe 10 degree warmer.
9wDYQ TIL that IHOP actually stands for International House of Pancakes