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TIL as of 2011 the Catholic Church operates the world’s largest non-governmental school system

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41RR TIL that there is a large tarantula that keeps small frogs that it uses as bodyguards to protect its eggs.
p8gdO TIL the smallest state forest in New York measures 348 square feet and contains the stump of only a single tree that was cut down in 2015.
v18ER Today I learned that the math, and human biology, behind listening to either analog or digital music, favors analog.
X0A8j TIL about the Guy West Bridge, a pedestrian bridge in Sacramento, CA that is scaled-down replica of the Golden Gate Bridge
kJG5E TIL that in 1962, NASA launched the Mariner 1 spacecraft to Venus, but it missed its target by over 100,000 miles. The failure was traced back to a single misplaced hyphen in the spacecraft’s software code, showing how even the smallest errors can have enormous consequences in space missions.