› added 8 years ago

160

TIL Black Holes “Sing”, producing a B-flat sound wave 57 octaves below middle-C from their jets.

Read more science.nasa.gov

via reddit.com

YpEWB TIL about Self-plagiarism, when you reuse portion of your own work without acknowledging that you're doing so or citing the original work.
b9BOj TIL that the 1972 Novel “The Day of the Jackal” showcased an easy method of obtaining a fraudulent British passport, which was later used by the IRA and the KGB. This loophole went unclosed until 2007, and may have resulted in up to 1,500 fake passports being issued each year.
Oo7aa TIL that to fight a communist insurgency in the Philippines, a CIA operative would drain the blood from captured enemy soldiers through two holes in their neck and leave the corpse to be found to spread rumors of vampire (aswang) attacks.
wLQaW TIL that in 2012 doctors around the world voted the 1846 paper describing anesthesia as the most important discovery in modern medicine, ahead of things like antibiotics and X-Rays
R5g61 TIL that despite Monaco being famous for it's Casino, Monégasque people (residents who are native through birth right) are not allowed to physically gamble, therefore cannot go to the casino there.