› added 6 years ago

208

TIL a monk had erased and written over a book by Archimedes describing the foundations for calculus, centuries before Leibniz and Newton.

Read more theguardian.com

via reddit.com

VRX0 TIL that there are some females who have one extra type of cone (4 instead of 3) and can therefore see 100x the amount of colors regular people can. [tetrachromacy]
8axX TIL that Pál Szekeres is the only person to win both Olympic and Paralympic medals
epW56 TIL that Japan hosts between 100,000 and 300,000 festivals annually, many of which are linked to Shinto beliefs and involve traditional dances and music.
NXPNJ TIL That a man in Florida woke up with a splitting migraine. When he arrives at the hospital, doctors found a bullet in his head. His wife had shot him in the head while he slept.
woNp1 TIL that the USS Monitor and the CSS Virginia (rebuilt using the engines and lower hull of the USS Merrimack) fought to a draw in the Battle of Hampton Roads in 1862, the first battle between two ironclad warships during the American Civil War.