/r/askscience

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Does brushing your tongue harm your taste buds?

504 upvotes • cccjfs

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I was a daycare teacher for 3 years and still don't understand the rise of nut allergies. Also, why are parents less likely to expose their children to other children when it's clear that the immune system builds by coming in contact with others.

504 upvotes • Helpmewithscience

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Will there be any effect if my body were subjected to extreme magnetic forces - something like upwards to 100 teslas?

504 upvotes • anotherDocObVious

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Is it possible to build an underwater speaker that compensates for the sound disortion due to the water?

504 upvotes • Snurrig

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When people lose an arm or leg, how do their veins and arteries re-route their blood?

504 upvotes • aboutcode

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Why is the mRNA vaccine more expensive than the "classic" vaccines?

504 upvotes • cptmauli

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According to latest news, Moderna's vaccine creates more antibodies than Pfizer's, but they show similar efficiency/efficiency. Why?

504 upvotes • kondenado

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I just read that Earth is expected to get hit with a "Doomsday" solar flare/storm. What is the worst case scenario for when this happens?

503 upvotes • Ninjabackwards

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Do all trees have a common 'tree' ancestor? Or did multiple plant species evolve separately toward what we know as trees?

503 upvotes • freddiespagheti

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Why isn't copper as reactive as pottasium or any other of the alkaline metals?

503 upvotes • Bjorkesrad

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Does brushing your tongue harm your taste buds?	504	cccjfs
I was a daycare teacher for 3 years and still don't understand the rise of nut allergies. Also, why are parents less likely to expose their children to other children when it's clear that the immune system builds by coming in contact with others.	504	Helpmewithscience
Will there be any effect if my body were subjected to extreme magnetic forces - something like upwards to 100 teslas?	504	anotherDocObVious
Is it possible to build an underwater speaker that compensates for the sound disortion due to the water?	504	Snurrig
When people lose an arm or leg, how do their veins and arteries re-route their blood?	504	aboutcode
Why is the mRNA vaccine more expensive than the "classic" vaccines?	504	cptmauli
According to latest news, Moderna's vaccine creates more antibodies than Pfizer's, but they show similar efficiency/efficiency. Why?	504	kondenado
I just read that Earth is expected to get hit with a "Doomsday" solar flare/storm. What is the worst case scenario for when this happens?	503	Ninjabackwards
Do all trees have a common 'tree' ancestor? Or did multiple plant species evolve separately toward what we know as trees?	503	freddiespagheti
Why isn't copper as reactive as pottasium or any other of the alkaline metals?	503	Bjorkesrad