/u/frostwarrior's posts in /r/askscience

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We know that the nervous system transmits electrical impulses through our body. Where does that electricity come from?

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If infrared and ultraviolet rainbows exist, can we go even beyond those wavelengths and create an "absolute complete" rainbow?

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How do probes avoid getting hit by small but very fast (and potentially damaging) particles of dust?

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What happens to a virus particle in the body when the dose is below minimal?

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Can gut bacteria dedicated to digest unhealthy foods evolve into digesting healthy ones?

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Does or did exist an ethnic group sharing the facial traits of black people, just without the melanin?

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If I was in the dinosaur era with a camera and recorded everything in HD, is there a recording method that can can preserve the data for millions of years so it could be found by present day scientists and see the recorded video?

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Does "less dopamine release and reception" in some area of the brain mean less activity on there?

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Is the same for our eyes to focus on a distant object as to focus to a near but small one?

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Does the flu vaccine lose effectiveness gradually once the virus mutates, like the covid vaccine does with the variants? Or does the flu virus mutates so fast they become totally ineffective?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
We know that the nervous system transmits electrical impulses through our body. Where does that electricity come from?	1
If infrared and ultraviolet rainbows exist, can we go even beyond those wavelengths and create an "absolute complete" rainbow?	1
How do probes avoid getting hit by small but very fast (and potentially damaging) particles of dust?	1
What happens to a virus particle in the body when the dose is below minimal?	1
Can gut bacteria dedicated to digest unhealthy foods evolve into digesting healthy ones?	1
Does or did exist an ethnic group sharing the facial traits of black people, just without the melanin?	1
If I was in the dinosaur era with a camera and recorded everything in HD, is there a recording method that can can preserve the data for millions of years so it could be found by present day scientists and see the recorded video?	1
Does "less dopamine release and reception" in some area of the brain mean less activity on there?	0
Is the same for our eyes to focus on a distant object as to focus to a near but small one?	0
Does the flu vaccine lose effectiveness gradually once the virus mutates, like the covid vaccine does with the variants? Or does the flu virus mutates so fast they become totally ineffective?	0