› added 9 months ago

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TIL that for decades, radiotherapy patients had reported phenomena such as "flashes of bright or blue light" when receiving radiation for brain cancer. This was confirmed to be Cherenkov light being generated in the fluids of the eye by researchers in 2019.

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Em6d TIL rats who were trained to press a lever for their food would stop pressing the lever once they saw that it would electrically shock other another rat
LZl9 TIL in 2016 Beyoncé launched a clothing range aimed at “supporting and inspiring” women. A month later it was revealed female sweatshop workers were being paid less than $1 an hour to make the clothing
0dd11 TIL Disney World is legally allowed to build a nuclear plant in Florida under a 1960s law.
nEQ9 TIL- That the modern handshake dates back to the 5th century BC. It originated from swordsman greeting each other with their weapon hand free, showing no sign to fight.
1aXo7 TIL That a polarbear was recorded swimming for 9 days, without rest, through the Bering Straight.