› added 2 years ago

248

TIL we're not supposed to rinse our mouths right after brushing our teeth

Read more oralhealthsupport.ucsf.edu

via reddit.com

4kaDJ TIL That the only 18" gun the US Navy developed, was used as ballast on a hospital ship (USS Repose), but never deployed on a battleship.
OWng TIL: Wolves being reintroduced into Yellowstone in 1995 caused regrowth of many populations and even saved the rivers from erosion .
OK6Y TIL in 1954 while riding a rocket sled John Stapp voluntarily submitted himself to 46.2 g and survived
8egoL TIL the band Sugar Ray was named after the famous boxer, Sugar Ray Leonard. Their original band name was Shrinky Dix.
R7A49 TIL "Peter The Great" was succeeded by his wife Catherine because he had his only son tortured to death