/r/askscience

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What gives the limit to the radius of the atmosphere? Does it stay nearly all the same all the time or does it differ drastically?

824 upvotes • StanleySalad

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How come scientists can't figure out the exact ingredients and ratios of those ingredients in secret foods and drinks like coca cola?

824 upvotes • [deleted]

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Dolphins use echolocation to visualize objects around them, and are able to make a wide variety of sounds. Can they reproduce the echo or sound image of an object in order to communicate it to other dolphins?

824 upvotes • frozenburger

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Is it worse for your liver to drink 3 beers/alcoholic drinks everyday of the week, or 21 drinks 1 day of the week?

823 upvotes • TheCake_IsA_Lie

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My principal claimed that after 45 minutes of studying it pays to take a break because supposedly after that time your capacity to learn has gone down to less than half since when you started. Is there any truth to this?

823 upvotes • Nichomine

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When humans smell something "bad", does that stem from social conditioning, or is it our body's natural response to said smell?

823 upvotes • xsp4rrow

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How long would bodies be preserved on the Moon? If astronauts died there, what would happen to their bodies?

822 upvotes • LoveGentleman

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In a 2013 experiment, entanglement swapping has been used to create entanglement between photons that never coexisted in time. How is this even possible?

822 upvotes • This_is_User

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What would happen if you put your hand in the "exhaust" of an Ion Drive?

822 upvotes • PM_ME_YOUR_SHARKS

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Does light always move?

822 upvotes • Judean_peoplesfront

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
What gives the limit to the radius of the atmosphere? Does it stay nearly all the same all the time or does it differ drastically?	824	StanleySalad
How come scientists can't figure out the exact ingredients and ratios of those ingredients in secret foods and drinks like coca cola?	824	[deleted]
Dolphins use echolocation to visualize objects around them, and are able to make a wide variety of sounds. Can they reproduce the echo or sound image of an object in order to communicate it to other dolphins?	824	frozenburger
Is it worse for your liver to drink 3 beers/alcoholic drinks everyday of the week, or 21 drinks 1 day of the week?	823	TheCake_IsA_Lie
My principal claimed that after 45 minutes of studying it pays to take a break because supposedly after that time your capacity to learn has gone down to less than half since when you started. Is there any truth to this?	823	Nichomine
When humans smell something "bad", does that stem from social conditioning, or is it our body's natural response to said smell?	823	xsp4rrow
How long would bodies be preserved on the Moon? If astronauts died there, what would happen to their bodies?	822	LoveGentleman
In a 2013 experiment, entanglement swapping has been used to create entanglement between photons that never coexisted in time. How is this even possible?	822	This_is_User
What would happen if you put your hand in the "exhaust" of an Ion Drive?	822	PM_ME_YOUR_SHARKS
Does light always move?	822	Judean_peoplesfront