si.edu

kJEX4 TIL about Operation Pedro Pan, a plan by the US State Department and Catholic Church that flew children out of Cuba to the US out of fear of what Cuban life would be like under Castro
dDgdB TIL Oscar the Grouch was originally orange in the very 1st season of Sesame Street but was changed to green by the 2nd season because the orange made him look scary, with the show's lore saying he turned green after a moldy vacation to Swamp Mushy Muddy
BgeLd TIL that Galileo’s telescope discoveries supported heliocentrism—the idea that Earth orbits the Sun. In 1633, he was tried by the Inquisition for his findings and spent the rest of his life under house arrest.