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7

TIL that every year an estimated 4.5 trillion cigarette butts are littered worldwide, making them the most littered item on the planet.

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wVV8 TIL Apple used ‘Carl Sagan’ as a codename for a computer in the 1990s. Carl Sagan sent Apple a cease-and-desist letter, and Apple changed the name to 'Butt-Head Astronomer’. Carl Sagan sued for libel and lost, and Apple changed the name to 'Lawyers are Wimps’.
XEQk8 TIL about a British General too nice to execute after being captured by the IRA. He drank and played card with his captors and even helped in the fields. Its believed he was allowed escape
6EBv7 TIL: Honey Bees make decisions collectively--and democratically. Every year, faced with the life-or-death problem of choosing and traveling to a new home, honeybees stake everything on a process that includes collective fact-finding, vigorous debate, and consensus building, literally
LB7Q TIL; That when you are born and take your first breath, the pressure change in your lungs causes a valve between the two atria in your heart to close and eventually fuse. When this doesn’t happen correctly a baby can have a hole in their heart, but initially everyone had the same hole.
9GvD TIL children who learn a musical instrument begin to hear and process sounds that they couldn’t otherwise hear. This helps them develop “neurophysiological distinction” between certain sounds that can aid in literacy.