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TIL that South Korea plans to give robots their own city and theme park

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via reddit.com

KQPG TIL Bumblebees fly by generating a Dynamic Stall which generates several times the lift of its wing as an aerofoil.
G9oG TIL there’s an episode of Arthur that teaches censorship on television. For the entirety of the episode the children learn and use curse words toward one another!
pEdQ TIL the US-Canada trade relationship is the largest in the world, surpassing even US-China trade. The amount of goods crossing the Windsor-Detroit bridge alone is larger than annual US-Japan trade.
WkNVA TIL of John Brown, an abolitionist who was the first person convicted and hanged for treason in the United States after attempting to lead a slave rebellion in 1859.
lowMN TIL that over 90% of the planet's coal is from the 'carboniferous' era. An era that had evolved trees, but not anything to break them down. Trees died, fell down, and piled on top of each other eventually compressing all the trapped carbon into coal.