› added 5 years ago

379

TIL that during pregnancy, the fetus can send stem cells across the placenta to which can repair damage to organs and tissues in cases of injury in the mother.

Read more ncbi.nlm.nih.gov

via reddit.com

Y7XrA TIL that from 1263 to 1328, the Byzantine Empire were in an alliance with the Mongols
8aMyV TIL a polar bear's outer layer of fur isn't white, each hair is actually a hollow and completely transparent tube. The fur only appears white because of the reflection of the sun and unlike most arctic mammals, they do not shed their coat in the summer in order to maintain camouflage.
xVVW7 TIL that in WW2 China flooded the Yellow River intentionally to stop the advance of the Japanese troops
PYaQZ TIL that the French military actually has the best military record of the last 800 years
MegrV TIL that both of Jon Hamm's parents passed away by the time he turned 20 and when he was 24 he moved to Los Angeles with nothing but his car and $150 to pursue acting.