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TIL that nurses and doctors wear green or blue scrubs to help relieve eye strain from constantly looking at red (patient's insides), which is also opposite on the color wheel.

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OGgKe TIL that Southwest Florida International Airport in Fort Myers, Florida is the #2 busiest single-runway airport in the United States; #1 is the San Diego International Airport. It is also the largest airport in Florida, and third-largest airport in the U.S. based on total area (13,555 acres).
Z8W0p TIL The first Western abstract artist is considered to be Hilma af Klint, but although she started in 1906, she was only recognised in the 80s. In 1970 her paintings had been offered as a gift to Stockholm's Museum of Modern Art, but they didn't want them.
e07lb TIL Researchers found that beards were only more attractive if they were uncommon. In a study, if researchers showed a single bearded man amongst many shaved men, the bearded person was ranked as more attractive. If shown amongst other bearded men, it lost its benefit.
X0POk TIL from 1971 to the 2000s, the MIT Blackjack Team, a team of students and alumni of the Massachusetts Institute of Technology, Harvard and other colleges, beat casinos at blackjack worldwide through card counting and other methods
VBM5Q TIL about megaesophagus, a disorder in dogs that often necessitates them eating from a high chair.