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TIL in 2013, Metallica performed in Antarctica just to break a record and be the first musical act to perform on all 7 continents.

Read more guinnessworldrecords.com

via reddit.com

xG9w TIL that after their life support is turned off, brain-dead patients may suddenly cross their arms over their chest for a few seconds. This is known as the Lazarus sign and is one of several ‘striking movements’ that may occur
b9N79 TIL that Déjà rêvé is the feeling of having already dreamed something that you are now experiencing.
JyVv TIL of a new birth control method for men that has had a 100% success rate in test subjects so far. Developed by an Indian doctor, it works similar to an ‘on off’ switch, and would afford countless families across the globe an incredibly cheap method to control the size of their families.
WkXVL TIL that to avoid being conscripted by the Roman Army, some men would cut off their thumbs so that they couldn’t wield a sword. By the end of the fourth century, conscription avoidance was so widespread that Emperor Theodosius passed a law that forced the thumb-less to serve.
9w7Z7 TIL After the US Navy lost the USS Thresher in 1963, it instituted a quality assurance program called SUBSAFE for its submarines. As a result they went from losing 16 submarines to non-combat reasons in the 48 years before, to losing only the USS Scorpion (which wasn’t SUBSAFE certified) since 1963.