› added 11 years ago

164

TIL nuclear submarines create breathable air by using an electric current to split the hydrogen and oxygen molecules of ocean water. This allows them to stay submerged for months at a time.

Read more youtube.com

via reddit.com

50nP TIL Mr. Rogers made a point of mentioning out loud when he was feeding his fish after he got a letter from a family whose blind daughter asked him to do so, because she couldn’t tell if the fish were being fed.
kaD5 TIL that despite making billions a year from TV rights and local incentives, the NFL is a non-profit organization and doesn’t pay a penny in taxes
rN5pw TIL: A woman was trapped in her mind for 20 years in what was believed a severe form of schizophrenia. After treating her for an autoimmune condition she woke up. Psychiatrists are now franatically searching for similar patients.
XEGwP TIL More than 90 percent of samples of strawberries, apples, cherries, spinach, nectarines, and kale tested positive for residues of two or more pesticides (March 2020)
xrDb TIL that in 1953, Coca Cola attempted to persuade the US Treasury to mint a 7.5 cent coin; a can of Coke had been a nickel since 1886 and needed to be raised due to inflation, but they felt a dime was too much.