/r/askscience

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Only show posts with narrations

Are there any specific instructions for what astronauts are supposed to do in the event of something catastrophic happening on earth?

569 upvotes • InsideVoices

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How does gravity slow time?

569 upvotes • other-user-name

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Is there an explanation for this photo from Mars that seems to show what looks like vegetation?

569 upvotes • guccirain

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Who has the advantage? ...anatomy of the arm wrestle.

569 upvotes • f1eckbot

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If UV radiation is used to disinfect and sterilise things then why isn't everything the sun touches (your skin, the sidewalk etc) sterile?

569 upvotes • Critwhoris

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Why can't we just take alcohol dehydrogenase in some form to quickly eliminate drunkeness?

568 upvotes • ssjumper

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Science, I wanted to know what the damage and effect on human life would be if the same solar storm that hit in 1859 were to hit today.

568 upvotes • AndroidHelp

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When lifting weights, are increases in muscle size affected more by the weight that you are lifting, or the effort to lift the weight?

568 upvotes • razorbeam

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Richard Feynman said, "It is important to realize that in physics today, we have no knowledge what energy is. We do not have a picture that energy comes in little blobs of a definite amount." Is this statement still true today with the new discoveries that LHC is making?

568 upvotes • gravitypushes

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How exactly do we know how fast saturn is turning when it is all just gas? Do all layers of gas giants rotate at the same speed? How can we place a fixed point on a gas giant if its just one big sphere of gas?

568 upvotes • Larsamin

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Are there any specific instructions for what astronauts are supposed to do in the event of something catastrophic happening on earth?	569	InsideVoices
How does gravity slow time?	569	other-user-name
Is there an explanation for this photo from Mars that seems to show what looks like vegetation?	569	guccirain
Who has the advantage? ...anatomy of the arm wrestle.	569	f1eckbot
If UV radiation is used to disinfect and sterilise things then why isn't everything the sun touches (your skin, the sidewalk etc) sterile?	569	Critwhoris
Why can't we just take alcohol dehydrogenase in some form to quickly eliminate drunkeness?	568	ssjumper
Science, I wanted to know what the damage and effect on human life would be if the same solar storm that hit in 1859 were to hit today.	568	AndroidHelp
When lifting weights, are increases in muscle size affected more by the weight that you are lifting, or the effort to lift the weight?	568	razorbeam
Richard Feynman said, "It is important to realize that in physics today, we have no knowledge what energy is. We do not have a picture that energy comes in little blobs of a definite amount." Is this statement still true today with the new discoveries that LHC is making?	568	gravitypushes
How exactly do we know how fast saturn is turning when it is all just gas? Do all layers of gas giants rotate at the same speed? How can we place a fixed point on a gas giant if its just one big sphere of gas?	568	Larsamin