› added 3 years ago

203

TIL weed smoking substantially elevates heart rate and risk of heart attack

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OoOOX TIL that in 1985, Dian Fossey, a renowned primatologist who fought to protect gorillas and led anti-poaching patrols, was found hacked to death with a machete.
neB1b TIL Mango sap is caustic
nWed TIL a technique called “circular breathing” allowed a saxophone player to hold an E-flat for 45 minutes and 47 seconds.
vPPe7 TIL that Gravitational Wave detectors are so precise that they could detect a human hair's width worth change in length between the distance of Sun and Proxima Centauri, which is about 4.24 light-years!
oBAMW TIL the city of Philadelphia, which was where Washington had to live when he was president, had laws in place that said any slave that lived there for more than 6 months would be freed. So, Washington set up a rotational schedule exchanging his slaves between states to prevent their freedom.