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TIL there is a Jellyfish whose neurotoxin “induces an overwhelming feeling of impending doom”

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via reddit.com

wLWOo TIL of the Great Oxidation Event when bacteria evolved photosynthesis about 2.4 BYA, generating O2 as a waste product which changed the methane atmosphere, led to planetary cooling, triggered a series of ice ages, a mass extinction event, new minerals, and led to the evolution of multicellular life.
mKOp TIL Babies are born without kneecaps. They don’t properly form until the child reaches 3-5 years of age.
N7pGQ TIL of Joseph Medicine Crow who earned the title "Chief" by completing the four coups of leading a war party, touching an enemy without killing him, taking an enemy's weapon, and stealing an enemy's horse - all against the Nazis in WWII.
5VokD TIL Car tires are major source of ocean microplastics and more than 200,000 tonnes of tiny plastic particles are blown from roads into the oceans every year
g1OW TIL: in WWI US Navy painted complex patterns of geometric shapes on ships as “dazzle camo”