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TIL: Empedocles, 5th century Greek philosopher most known for the development of the idea of the Four Elements, also concluded that matter could neither be created nor destroyed, and developed a theory of evolution concluding that form followed function and that the most fit survived.

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OGP9a TIL that today's the 40th anniversary of Joe Delaney's heroic sacrifice: The 24-year-old Kansas City Chiefs RB saw 3 kids drowning in a pond on June 29, 1983. Despite not knowing how to swim, Joe jumped in & saved 1 boy before succumbing to the water himself.
v1WwK TIL that on Pink Floyd’s album Wish You Were Here, the stunt actor who posed for the cover art is genuinely on fire.
6EjkY TIL one of the few times Pink Floyd allowed the music to be used for corporate advertising was a bizarre 1973 ad for Dole bananas.
PV9w TIL Boudica destroyed so much of ancient London, that dozens of feet below current street level, lies a thick red, burnt strip archaeologists call the “Boudica Destruction Layer”
8amda TIL researchers modeled a system where the Peter Principle holds true and found that instead of promoting the best employees until they reach a level where they stop performing competently, it's more efficient for a company to promote employees at random. For this research they won an Ig Nobel.