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TIL carbon dating is useless to date anything after 1950 and will be useless for the forseeable future because of the amount of change in carbon-14 levels from human nuclear weapons detonations.

Read more radiocarbon.com

via reddit.com

awPJZ TIL “that there is a girls school built on the place where Taliban had their headquarters in Northwest Pakistan”
epeyn TIL that in2017 Tina Turner received a kidney donated by her husband.
7kor TIL that an artificial intelligence system named Watson started swearing during a game of Jeopardy because it had learned vocabulary from the Urban Dictionary.
wooVJ TIL that a fire destroyed most of Harvard Library’s collection in 1764. Only a small number of books were spared, including 144 that were checked out at the time. One of these books was found and returned in 1997.
yQbg8 TIL of Pheasant Island, which for over 350 years switches countries every six months between Spain and France