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TIL Cold War playground equipment was intended to foster children’s curiosity and excitement about the Space Race.

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wPBM TIL that Nintendo wanted Mario to ride Yoshi since the NES period, but it took six years for technology to make the concept possible.
XvkP TIL that when a word is on the ‘tip of the tongue’, your brain is actually trying to help you by blocking out similar words, but in doing so, blocks the target word.
N7Eg8 TIL in 2003 when Amanda Berry disappeared, "psychic" Sylvia Browne told Berry's mother that she was dead on the Montel Williams show. Berry's mother then died in 2006. In 2013 Berry was found alive after being held captive in Ariel Castro's basement for 10 years.
5Y7ND TIL Kleptothermy (heat-stealing) is observed in some male Canadian red sided garter snakes that mimic females by producing female-like pheromones when they emerge from hibernation so that other males mistakenly attempt to mate with them, thus transferring heat to them.
v1DZL TIL that humanity almost wiped itself out 7000 years ago