› added 2 years ago

93

TIL: that the color of your nail polish can affect your blood oxygen reading.

Read more pubmed.ncbi.nlm.nih.gov

via reddit.com

pBYQ TIL that in 1939 US and Canada refused to accept 937 Jews who were the last to escape Nazi Germany and despite desperate attempts of (non Jewish) german captain to secure safety for his passengers they were forced to return to Europe. Many of them later died in concentration camps.
MB7K TIL that J.C. Maxwell, inventor of color photography and founder of theory of electromagnetism, killed alot of cats by throwing them out of windows to find the precise height from where the cat couldn’t land on its feet anymore.
Eg0m7 TIL cats respond to baby talk, but only if it's coming from their owner
YENB TIL that people can get high be eating honey made from bees that live near poppy fields.
W7OpX TIL there is a fish that can climb trees.