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

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If a person grows up on a desert island alone with no social/language conditioning, would they perceive nodding to mean 'yes', and head-shaking to mean 'no'?

12 upvotes

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If a bullet were fired downwards towards the earth from a rifle, would it continue to accelerate due to gravity or would it slow down after it leaves the muzzle?

6 upvotes

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Can you explain what happens on a cellular level what happens to bacteria/viruses when hand-sanitizer (ie alcohol) touches them?

2 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If a person grows up on a desert island alone with no social/language conditioning, would they perceive nodding to mean 'yes', and head-shaking to mean 'no'?	12
If a bullet were fired downwards towards the earth from a rifle, would it continue to accelerate due to gravity or would it slow down after it leaves the muzzle?	6
Can you explain what happens on a cellular level what happens to bacteria/viruses when hand-sanitizer (ie alcohol) touches them?	2