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TIL octopuses have 2/3 of their neurons in their tentacles; the mother dies almost immediately after the eggs are hatched, due to exhaustion; their blood is copper based which makes it blue; they can change the color of their skin, & also texture; they can watch and learn; evolved from snails.

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Wkjw4 TIL that in the most well-known ranking of the world's top airlines, airlines from Indonesia (Garuda Indonesia), Russia (Aeroflot), the Philippines (Philippine Airlines), and multiple low-cost airlines (AirAsia, easyJet), are ranked ahead of the highest-ranked American airline
kObA4 TIL Jerry Lawson pioneered home video gaming in the 1970's by helping to invent the Fairchild Channel F, the first system with interchangeable cartridges. One of few black engineers in computing at the time, he unfortunately received less recognition than deserved due to the Channel F's poor sales.
xVOEk TIL that on May 11, 1995, during the first E3, Sega announced their new Saturn console would cost $400 and shockingly had been shipped to select retailers that same day. During their keynote, Sony announced the Playstation would launch at $300. Sega would exit the console business six years later.
awkaM TIL in 1896 a temporary, one-day city was named in Texas called Crush, where two locomotives were to be smashed head-on for purposes of spectacle. It was, for a few hours, the 2nd largest city in TX with 40k attendees. The collision caused engine boilers to explode, resulting in death and injuries.
xoww TIL the “X” in “Xmas” isn’t a way to avoid mentioning Christ. “X” represents Chi (χ), the first Greek letter of Χριστός (“Christ”). “Christ” has been abbreviated “X” in English for centuries, as it was in Greek.