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TIL Google Maps calculates their traffic by having all iPhones that have Google Maps open and Android phones that have location services turned on send anonymous bits of data back to Google

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NX7BN TIL the ancient city of Hieropolis in modern Turkey was thought to be the location of a Gate to Hell by the Romans. This was likely due to toxic levels of CO2 from gas vents that killed animals with noses close to the ground. The vents are bricked up today for tourists' safety.
d9dZ TIL that the Mongols pulled their bowstrings back with their thumb. To prevent damage to their thumbs they created thumb rings.
rRblw TIL While he was sick former Japanese fighter pilot Tetsuzo Iwamoto's last words were "When I get well, I want to fly again".
7rx9P TIL The Real Difference Between Pleasure and Happiness, Pleasure Is Dopamine and Happiness is Serotonin
VMgp4 TIL when Francis Ford Coppola asked Al Pacino if he would star in ‘Apocalypse Now,’ Pacino replied, “I know what this is going to be like. You're going to be up there in a helicopter telling me what to do, and I'm gonna be down in a swamp for five months." The shoot actually lasted sixteen months.