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TIL that shark skin is made up of hundreds of rows of small teeth. When flattened through forward movement, they create tiny vortices that reduce drag, turbulence and noise.

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p8EBN TIL Noah Webster thought "Beauty" should be pronounced "Booty" (From his 1828 dictionary and Bill Bryson's The Mother Tongue)
J1y54 TIL that Elphaba - the name given to the Wicked Witch of the West in the musical "Wicked" - was derived from the pronunciation of The Wizard of Oz's author L. Frank Baum: LFB, Elphaba
dDr1d TIL that when star NBA player Reggie Lewis died in 1993, the remaining 8 million dollars of his contract still counted against the Celtics salary cap, which prevented them from signing a player of equal value for the next three seasons.
VpBk TIL Bill Murray does not have an agent or a manager. Instead he has a number to call and pitch him an idea via the voice mail. If he likes it he will call you back. The phone number is impossible to find. The only people who know it are people who already have worked with him.
OoBP4 TIL about Dana Lewis, who has diabetes built her own artificial pancreas, she used social media, computer skills and mail-ordered parts to invent an artificial pancreas for people with diabetes and she is giving away the plans for free