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TIL that most malaria nets are used exactly as intended, and charities that distribute them save lives much more cost-effectively than others that address issues like other diseases or hunger

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pYG5A TIL that John Maynard Keynes, from whose work the modern economic system is derived, was a Marxist.
Z8VjQ TIL that, according to Paul McCartney, after Micheal Jackson bought the rights to The Beatles catalog McCartney asked his friend Michael for a raise in royalties after 30+ years. To which Michael Jackson politely declined and said, "Oh Paul, that's just business."
6EEaJ Yes, it’s true that most jetliners are certified for automatic landings, called “autolands” in pilot-speak. But in practice they are rare. Fewer than 1 percent of landings are performed automatically, and the fine print of setting up and managing one of these landings is something I could talk about all day. If it were as easy as pressing a button, I wouldn’t need to practice them twice a year in the simulator or periodically review those tabbed, highlighted pages in my manuals. In a lot of respects, automatic landings are more work-intensive than those performed by hand. The technology is there if you need it for that foggy arrival in Buenos Aires with the visibility sitting at zero, but it’s anything but simple.
XEolP TIL of the Great Tokyo Air Raid (1945) during which 1665 tons of incendiary bombs were dropped on Tokyo in a span of 3 hrs, resulting in 100k deaths and 1M displaced. It's considered the most destructive bombing raid in human history.
DwLY TIL the word “Goodbye” is a contraction of the phrase “God Be With You”.