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TIL surgical scrubs are green and blue to provide eye relief and a visual contrast to the pinks and reds the surgeon is focusing on

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16w4O TIL Nuclear Winter as the result of worldwide nuclear war has largely been discredited by current science. It was mainly a political position to prop nuclear disarmament, based on faulty modelling and "worst-case analysis run amok".
kO5R1 TIL that Rainn Wilson (aka Dwight Schrute from 'The Office') has a pet zonkey (half-zebra, half-donkey)
QNlKk TIL queen bumblebees are the only bumblebees to survive winter. Since queens are necessary to start colonies in the springtime, killing an existing bee colony (with future queens) can destroy several generations of bumblebees.
gMKxy TIL that British politician Tony Benn met his wife in Oxford in 1949. 9 days later, he proposed to her on a park bench. Later, he bought the bench from Oxford City Council and installed it in the garden of their home. They were together for 51 years.
rR9nW TIL That the surface of Enceladus, the sixth major moon of Saturn, reflects 90% of the light that hits it, essentially making it a giant mirror