› added 5 years ago

106

TIL we're supposed to be wearing sunscreen indoors to protect from UVA rays.

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via reddit.com

QKPL TIL Silly Putty was invented as a replacement for Japanese-controlled rubber sources in WWII.
9Y8X7 TIL of Rosie Ruiz, a marathon runner who came in first among women in the 1980 Boston marathon. After winning, reporters noticed she wasn't that sweaty and didn't seem that tired at all. It turned out she took the subway the majority of the route and simply snuck back into the race to win.
8eJwZ TIL the Olympic Village of the 1980 Winter Games held in Lake Placid became a Federal prison
4k4nb TIL that hummingbirds can fly backward because they can manipulate their feathers to change pitch, which affects whether they move up or down, and yaw, which affects whether they move right or left.
lo8D7 TIL Australian sleepy lizards are monogamous for life and grieve if they lose their partner.