› added 10 years ago

409

TIL that human saliva contains a natural, non-addictive opiate, “Opiorphin”, and this is why we “lick our wounds”.

Read more ncbi.nlm.nih.gov

via reddit.com

oBAWK TIL that the can opener was not invented until almost 50 years after the can
R7w17 TIL Katy Perry, David Bowie, and Michael Keaton all use stage names in order to avoid confusion with Kate Hudson, Davy Jones, and Michael Douglas
lyvN TIL The day Matt Damon and Ben Affleck filmed the opening airport scene in Dogma (1999) was the day the won their Oscar for Good Will Hunting (1997).
P1kbe TIL: Search For Titanic Really Was Cover-Up Mission to find missing nuclear submarines
7rL67 TIL that Passenger pigeons, now extinct, once migrated across North America in flocks of up to several billion birds. In 1866, one flock in southern Ontario was described as being 1.5 km wide and 500 km long, took 14 hours to pass, and held in excess of 3.5 billion birds.