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TIL that today's the 40th anniversary of Joe Delaney's heroic sacrifice: The 24-year-old Kansas City Chiefs RB saw 3 kids drowning in a pond on June 29, 1983. Despite not knowing how to swim, Joe jumped in & saved 1 boy before succumbing to the water himself.

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7oNO TIL that initially morphine was used as a cure against opium addiction and later heroin was used as a cure against morphine addiction and even later methadone was used as a cure against heroin addiction!
XEvbR TIL putting LED lights on float lines of 864 fishing gillnets reduced the bycatch of sea turtles by 74.4% & by 70.8% for dolphins, whales, & porpoises. The same amount of targeted fish were caught by both 864 lighted gillnets & 864 unlighted gillnets in a study of 3 ports in Peru from 2015 - 2018.
5exR TIL in Michael Crichton’s novel “Jurassic Park,” John Hammond states that the pre-recorded park tour is narrated by Richard Kiley, who later played the same role in the film, marking perhaps the first time that a celebrity named as a book character was later cast as him/herself in a film adaptation.
e9Xn TIL the Pontiac Aztec, considered a commercial failure during its production life, has seen a resurgence in popularity and public interest in the late 2000s and early 2010s thanks to its association with Breaking Bad.
W7VM4 TIL there are ancient rock formations that show evidence of early life called Stromatolites. They are formed by mats of microbial life that collect sediment in layers. They have been dated back to 3.45 BYA, making those microbes some of the earliest life on Earth.