› added 1 year ago

47

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

Read more pubmed.ncbi.nlm.nih.gov

via reddit.com

Lk9pr TIL King Henry VIII was such a big fan of codpieces (a type of flap or pouch protruding from a man's trousers) that there used to be a wooden statue of him at the Tower of London with a secret mechanism in the floor. When you stepped on the right spot, the royal codpiece would swing forth.
VM4Wm TIL exercise can "reduce the persistence of previously learned fear"
gpp4 TIL That the man who invented Tang also invented Cool Whip, Pop Rocks, and quick set Jell-o.
OojG1 TIL: After one of his employees was shot and killed during a shootout, Colonel Sanders grabbed a gun and shot the perpetrator in the shoulder.
WQ09 TIL that Ronald Reagan gave info on fellow actors to the FBI, and later received political favors from J Edgar Hoover