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TIL: When roosters open their beaks fully, their external auditory canals completely closed off. Basically, roosters have built in earplugs. This helps prevent them from damaging their hearing when they crow.

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AAng TIL that there exist a tree with multi-hued bark, that gives it “rainbow colors”.
p80D4 TIL A Boeing B-52 Stratofortress carrying two 3–4-megaton Mark 39 nuclear bombs broke up in mid-air, dropping its nuclear payload in the process. Information declassified in 2013 showed that one of the bombs came very close to detonating and was never recovered.
LWlP TIL in 2003 and 2004 Boycotts of the sponsors of The Masters golf tournament ensued due to their men-only club rule. The golf club responded by dropping all three of their sponsors and running the tournament ad-free.
LW70 TIL There is a Brazilian proverb that says “our country grows at night when the politicians are asleep.”
R7aaw TIL In 1967, Kathrine Switzer was the first woman to run the Boston marathon with an official number. After realizing that a woman was running, race organizer Jock Semple went after her trying to stop. The photographs taken of the incident made world headlines.