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TIL: You CAN get pregnant twice. Superfetation is an extremely rare event that involves getting pregnant while you’re already pregnant.

Read more my.clevelandclinic.org

via reddit.com

A7K7 TIL that NASA has sent spiders, bees, ants, flies and silkworms into orbit to learn about how bugs react to low gravity conditions.
vvvD TIL When an airplane is at a precise angle between the sun and a bank of clouds, a circular rainbow known as a “Pilot’s Halo” forms around its shadow on the cloud bank.
oR1Ko TIL The RAF dropped over 10,000 cats by parachute
BrwVk TIL that the African Spiny Mouse can release it's skin (like a lizard releases it's tail) on attack and completely regrow it. This feature, which is called autotomy, has given hope for replicating regeneration capabilities in humans. The African Spiny Mouse is the only known mammal, to do this.
1aVYP TIL That nutrition professor Mark Haub lost 27 pounds on a Twinkie/Dorito/Sugar diet to prove that weight loss is based on caloric intake, and not on nutrition.