› added 9 months ago

53

TIL Bees could see the color difference between two pieces of “white” paper. Researchers used zinc white for one paper and lead white for the other, and although these look exactly the same to us, the bee could easily distinguish them, because they reflect a different amount in the ultraviolet

Read more feynmanlectures.caltech.edu

via reddit.com

xk4B TIL that Henry David Thoreau’s last words were, “moose” followed by “indian”.
mnWE TIL that CNN medical correspondent and neurosurgeon Sanjay Gupta saved a Marine’s life after he was shot in the head during the opening days of the invasion of Iraq. Without proper tools, Gupta performed the brain surgery with a Black and Decker handheld drill. The Marine lived.
EggGX TIL Pacific ocean (165 millions km²) is wider than the planet Mars (144,8 millions km²) and more than 4 times the size of the moon (38 millions km²)
kxn4 TIL Edwin H. Armstrong the inventor of the FM radio committed suicide because he was spending 90% of his time on litigation against RCA who were trying to suppress the technology.
1dLd TIL that in 2000, a meat department at a Walmart in Texas became the first store to unionize. Within two weeks Walmart eliminated all meat department positions and switched to pre-packaged meats.