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TIL Scans have revealed there’s a large unexplored void in the Great Pyramid of Giza

Read more thearchaeologist.org

via reddit.com

vPZxj TIL Ruby and Sapphire are the same mineral, Corundum, a type of Aluminum Oxide. The only difference are contaminants that give the stone its color.
gr1L7 TIL: Sunflowers (lanyards, buttons, etc) are a universal sign for those that have hidden disabilities and there's a massive network that supports this signage.
PdJg TIL Tesla cars have a “bioweapon defense mode” utilising positive cabin pressure to protect occupants from the dangers outside.
EgOvw TIL Southerners opposed the casting of Englishwoman Vivien Leigh as Scarlett O'Hara in Gone with the Wind. In anticipation of the backlash, producer David O. Selznick wrote a letter to Ed Sullivan, then an entertainment journalist, with a list of bullet points defending Leigh's casting.
GAXKQ TIL The Osage killings were a series of murders in the 1920s targeting wealthy Osage Native Americans due to oil wealth, revealing a disturbing conspiracy for financial gain.