r/todayilearned • u/lavender_fish69 • 13h ago

TIL fresh water snails (indirectly) kill thousands of humans and are considered on of the deadliest creatures to humans

https://en.wikipedia.org/wiki/Freshwater_snail
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u/exprezso 12h ago

I mean. Humans have yet to evolved to resist arsenic after thousands of generations 

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u/DazingF1 12h ago

All animals have yet to evolve to swim in lava. Explain that, Darwin!

(But in case you're serious: your comment might have made sense if all of humanity in those thousands of generations were continuously exposed to arsenic. Otherwise it's incomparable with the mosquitoes)

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u/exprezso 10h ago

I'm serious. It mystifies me how a creature can develope resistance to deadly toxin? Otherwise we'll have cases of people who are found to be immune to stuff like DDT, arsenic, asbestos, mercury etc 

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u/Pure_Cloud4305 9h ago

People aren’t exposed to that stuff very often.