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154

TIL that some airlines require a pilot and co-pilot to consume different meals from each other, in case one makes you sick

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OKW6 TIL that in 1919, a serial killer in New Orleans stated he would kill again, but would spare the occupants of any place where a jazz band was playing. On that night, all dance halls reached capacity and amateur bands played jazz at hundreds of house parties. There were no murders
KJ8E TIL there’s a series of 70-foot-long concrete arrows that bisects the country longitudinally all the way from SF to NYC, all designed to direct aerial traffic. They are from the pre-digital age and were installed by the Federal government in 1924, coupled with light signals to guide the way.
GAlx1 TIL the notion that lactic acid is the reason we experience muscle soreness after a workout has been debunked in the 1980s. Research suggests the soreness is a result of a cascade of physiological effects in response to microscopic trauma sustained during intense exercise.
NXgg8 TIL of the Eleusinian Mysteries- secret rituals of ancient Greece that spanned over two millennia. They involved a special drink (kykeon), visions, and conjuring of an afterlife. Discovered in Eleusinian temples were fragments of ergot (a fungus containing psychedelic alkaloids, pre-cursors to LSD).
Lk6r0 TIL that the United States Airforce maintains a fleet of Boeing E4-B “Doomsday” planes. They are capable of being airborne for a week, costs nearly $160,000 per hour for the Air Force to operate, and have a 5 mile long trailing wire antenna to communicate with nuclear subs.