› added 5 years ago

252

TIL that the first known recording of a human voice was made in 1860, but was only intended to show a sound wave visually, not to be played back. In 2008, it was optically scanned and converted to a sound file, revealing it to be a man singing "Au clair de la lune".

Read more wikipedia.org

via reddit.com

kng7 TIL That the most polluted place on the planet is Lake Karachay, located near the Ural Mountains in Russia. In 1990, standing on the shore for 1 hour would give you a lethal radiation dose of 600 roentgen, more than enough to kill you.
woej8 TIL that Maggot Therapy is medical approved by the FDA for improving healing in chronic ulcers. In diabetic foot ulcers there is tentative evidence of benefit.
wMKY TIL if humans only ate raw, unprocessed food, we would need to eat for 9.3 hours a day in order to fuel our brains.
4kavR TIL that phage therapy, a treatment using viruses to kill bacteria, was largely abandoned in the West after the discovery of antibiotics but continued to be used in the Soviet Union. Today, it's making a comeback as a potential solution to antibiotic-resistant infections.
JaRj TIL the white Bronco O.J. Simpson was driving in when he was captured is now available for rent for birthday parties and such.