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TIL Bill Gates & Steve Jobs raised their kids tech free

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R5N4Q TIL that until the early 1920s, most astronomers thought that the Milky Way contained all the stars in the Universe. Following the 1920 Great Debate between the astronomers Harlow Shapley and Heber Doust Curtis, observations by Edwin Hubble showed that the Milky Way is just one of many galaxies.
69DNl TIL that the U.S. planned to detonate a nuclear bomb on the moon in the 1950s to show military strength during the Cold War. Carl Sagan worked on the calculations. It was called Project A119.
Brp8L TIL the city blackbirds have shorter beaks; don’t migrate anymore; have different stress responses; start breeding much earlier in the year; and sing at a different pitch. This has evolved them into a new species.
YpkaZ TIL that the word nepotism comes from the practice of popes appointing their nephews as cardinals, a way to secure their power over the college of cardinals
ADw17 TIL bowhead whales are the only baleen whales native to Arctic waters, and their thick triangular skulls are designed to crack through ice.These whales are considered the longest living mammals and can live for 200+ yrs.Specific mutations in their DNA give these whales enhanced resistance to cancer.