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TIL that dinosaur fossils can “opalize” rather than fossilize.

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E1Wep TIL that Scooby-Doo's characters were based on a popular teenage sitcom from the 1950's called "The Many Loves of Dobie Gillis"; Shaggy was based on a character played by Bob Denver, aka Gilligan from Gilligan's Island.
4X7xN TIL Paul Rusesabagina, the "Hotel Rwanda" guy who saved 1200 people during the genocide, was recently kidnapped back to Rwanda and sentenced to 25 years in prison
Wk7X9 TIL despite a 1998 GAO poll for the upcoming $1 coin warning that 65% of the public preferred the Statue of Liberty design and 27% preferred Sacagawea, the U.S. Mint decided to open a competition for the Sacagawea design. The coin was ultimately rejected by the public.
gXxD TIL that Brazil has twice authorized illegal, local production of patented HIV/AIDS drugs in order to save the lives of its people.
woK96 TIL about ISSpresso, an espresso machine Italian coffee maker Lavazza created for the ISS. It was used in space between 2015 and 2017. Use of the machine was done in conjunction with a zero-g espresso cup. Italian astronaut Samantha Cristoforetti became the first person to drink an espresso in space