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TIL Scientists trained 17 rats to drive tiny cars; each rat stood on the aluminum floor of the car & gripped copper bars with their paws to complete a circuit to propel the car. By touching left/center/right on the bar, rats could steer to pick up rewards of Froot Loops morsels in the arena.

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mxnbY TIL that the government of Denmark recreated their country, block by block, in Minecraft. However, some vandals broke into the server and blew everything up, leaving behind US flags in the craters.
kO1rm TIL that in 2002, a widely-watched live TV special followed a robot as it crawled through a 5" opening in the Great Pyramid of Giza, punched a hole in a door at the end of the passage, and inserted a fiber optic camera into the hole. Behind the door was nothing but a small empty space.
wN5W TIL Gustav III of Sweden’s coffee experiment using 2 identical twins that were condemned to death, but had their sentence reduced to life in prison on the conditions of conducting this experiment.
YpVBZ TIL of the Gold Coast Meter Maids. Bikini-clad women on Australia's Gold Coast who would top off parking meters of parked cars in order to avoid a parking fine.
oj57 TIL - Lake Jackson, TX has streets named This Way, That Way, Any Way, Circle Way, Parking Way, Winding Way, His Way, and Which Way.