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TIL that reserve parachutes are packed by a FAA certified rigger who goes through a deliberate step-by-step process which can take over an hour.

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loWVV TIL: Squirrels (unlike most other mammals) can survive impacts at their terminal velocity. Which means no matter what height you drop a squirrel from, it will probably survive.
XE7eP TIL that only around 10% of blind Americans know how to read Braille, compared to 1950, where 50% knew how to read Braille. This is due to a shortage of teachers to teach it and more reliance on technology as well as Braille being seen as outdated.
OXJ4 TIL Stephen Colbert’s father and two older brothers died in a plane crash because the cockpit crew became distracted from talking while landing the plane. A few years later, the FAA created the ‘Sterile Cockpit Rule,’ prohibiting staff from engaging in non-essential conversation once below 10,000 ft
VBplm TIL that if the entire observable universe were shrunk to the size of the earth (12000 km diameter), the earth would be about 180th of the size of an atom
D1Lj TIL that there’s a species of tiny little spidery things that live inside the lungs of bees.