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TIL that dolphins have learned to use rudimentary tools. For example, mother dolphins teach their young to cover their snouts with sponges while foraging on the ocean floor. This prevents them from being stung by venomous creatures.

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j6LbM TIL Alaskan Wood Frogs produce an antifreeze substance that allows them to freeze solid for up to 8 months and then thaw and come back to life in the spring.
Lk9Rv TIL that Schrödinger's cat paradox was originally intended to ridicule quantum superposition. Schrödinger was proven incorrect and his thought experiment is now used to explain superposition rather than criticise it.
QNx8M TIL that the rescue and relief efforts for the Oklahoma City Bombing had to be evacuated after police found a supposedly live 3-foot long TOW missile believed to be a second bomb. It was discovered to be inert but marked live for a planned law enforcement sting
grDW TIL that devices have been developed to remove the blur from Japanese porn in real-time, revealing otherwise obscured genitals
oRpbL TIL that FOX’s In Living Color aired a live episode during the 1992 Super Bowl halftime, pulling over 20 million viewers and forcing the NFL to rethink halftime shows, leading to Michael Jackson’s iconic 1993 performance.