› added 5 years ago

88

TIL that Stomach acid is strong enough to dissolve stainless steel in 4-5 days.

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via reddit.com

QJapM TIL that Robert Downey Jr considered retiring as Iron Man in 2013 after receiving an on-set injury, believing that he was too old to continue playing the role of Tony Stark.
x6Xw TIL that the world’s biggest serial killer, Pedro Alonso López, might still be alive and free with “little doubt that he will return to his old ways.”
78G8p TIL that this terrifying insect (Scutigera coleoptrata - house centipede) is actually your best friend and if you find one in your house you should leave it to its business of relentlessly hunting roaches, termites, bedbugs and etc. They're non-aggressive, not harmful, and don't build nests.
RvG6 TIL NASA wants to establish a floating cloud city to study Venus. The innovative concept involves helium-filled, solar-powered airships, which could contribute to humans permanently occupying the atmosphere of the hottest planet in our solar system.
nedAB TIL that glue was made by melting horses, fish, and other animals before the invention of synthetic adhesives