› added 6 days ago

3

TIL that astronauts can grow up to 2 inches taller in space because their spinal discs expand in microgravity.

Read more space.com

via reddit.com

kl6e TIL Snoopy, the Peanuts Comic Strip character is NASA’s Official astronauts’ personal safety mascot.
l4QK TIL of the My Lai Massacre, where a company of American soldiers killed over 500 civilians of My Lai on March 16, 1968. The incident was covered up for over a year and only one man was convicted.
jNPaR TIL of the Crayola Colorcycle, a free program for schools that recycles empty markers of all types and brands, and even pays for shipping via FedEx.
Z8nJG TIL splash back from a pee stream can be virtually eliminated by decreasing one’s pee stream distance to approximately 13cm/5.2in as it prevents the formation of droplets through Plateau-Rayleigh instability.
jNGVa TIL that Thomas Jefferson actually helped suppress efforts to abolish slavery as president of the United States