› added 4 years ago

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TIL that you should wait at least 30 mins before brushing your teeth, after sugary or acid food. This is because brushing too early aggravates the acidic damage caused to tooth enamel.

Read more mayoclinic.org

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epx0k TIL a common trope of early vernacular Chinese novels was "(A) lone Tibetan monk with his potent aphrodisiacs and retractable penis"
9Y8Nr TIL that Jay Leno had his first cup of coffee at 63 years old on Jerry Seinfeld's recent show "Comedians in Cars Getting Coffee". He, of course, hated it and Jerry finished the rest.
OGYla TIL dolphins are voluntary air breathers and it has been suggested they can kill themselves by consciously stopping breathing
l7xE1 TIL Christopher Nolan's brother Matthew was charged with murder in 2009 after allegedly creating a fake identity using the name 'Oppenheimer'
7bkp TIL that 3 years after illegally joining the Marines at the age of 14, Jacklyn Lucas snuck onto a ship bound for Iwo Jima, stormed the beach without a rifle, and threw himself on top of two grenades to protect his team. He survived, and earned the Medal of Honor at the age of 17.