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TIL: The reason capsaicin (the chemical in peppers) makes you feel like you’re burning is because it lowers the tolerance of the pain receptors in your mouth such that your own body heat is enough to trigger them to tells your brain that things are dangerously hot.

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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.
mxKZR TIL that the state vegetable of Oklahoma is watermelon. A watermelon is a fruit.
v67B TIL a man rode a jetski over the brink of the Niagra Falls to promote awareness for the homeless. His parachute did not open and he ended up promoting better parachutes. He plunged to his death and his body was never recovered. An Egyptian tourist captured a amazing image.
5gJp TIL that the Bald Eagle was removed from the List of Endangered and Threatened Wildlife in 2007. It is now under the “Least Concern” category of endangerment.
YQ57 TIL that the vast majority of organisms make their own Vitamin C. Humans are one of the few species that cannot synthesize it.