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TIL English Ivy can cause a rash similar to that of Poison Ivy, and the allergen, falcarinol, comes not only from its leaves, but also the stems and root. It’s not mentioned as often as Poison Ivy and the other Poison variations due to the rashes often getting diagnosed as Poison Ivy interaction.

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via reddit.com

5VYRk TIL A lab in Guangzhou, China breeds infertile mosquitoes in a lab and releases them to slow the spread of diseases like Zika and Malaria.
W1aL TIL; In 2012, a father was not charged in killing a man who was molesting his 5 year old daughter.
P1a5g TIL of a spider that presents from behind a tough, flat, circular shield resembling the cover of a manhole. The ravine trapdoor spider is the common name of a rare, oddly shaped North American spider. This spider looks as though the end of its abdomen, rear segment of the body, had been sliced off.
lo9Ka TIL the queen parrotfish sleeps inside of a protective mucus bubble secreted from its mouth, presumably for hiding its scent from predators at night. The mucus bubble may also serve as an early warning system in the event that a predator, like a moray eel, tries to attack the resting parrotfish.
vPBRx TIL that the first animals in space are actually Fruit Flies