› added 6 years ago

344

TIL Air Traffic Controllers have jobs so stressful they're required to retire at 56

Read more cnbc.com

via reddit.com

7rbJX TIL eating boogers is good for your immune system and teeth.
lorlB TIL about Deep Hypothermic Circulatory Arrest (DHCA), wherein patients are deliberately put into hypothermia as low as 20C (68F) thereby stopping all heart and brain function in order to increase survival time on reduced oxygen, while making delicate surgeries easier.
9YmDM TIL that Buzz Aldrin, the second man on the moon, singlehandedly calculated an orbital technique called "Mars Cycling" which would allow for spacecraft to perpetually travel between Earth and Mars with only a single initial boost. Crew would board and return via a secondary spacecraft, saving fuel.
kJVog TIL that the Three Gorges Dam in China has slowed the rotation of Earth and increased the total length of the Earth's day by 0.06 microseconds
wk78 TIL that Star Wars: The Old Republic was the most expensive game ever made