/r/askscience

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If you've lost a limb like a hand or foot, what do your muscles do when your brain sends the signal to move that limb?

536 upvotes • PotatoPotahto

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How can white noise and the Dirac distribution have the same Fourier transform?

536 upvotes • Gaazoh

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Pictures of the earth don't show the stars because no camera has a high enough dynamic range to show both. Does the human eye have enough range?

535 upvotes • grkirchhoff

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Why don't birds fall of trees when they sleep?

535 upvotes • elontril2

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Why is the ring finger so weak relative to the other ones?

534 upvotes • Fyrezerk

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If the universe is infinite, why is the night sky black?

534 upvotes • TransparentBicycle

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[x-post from /r/shittyaskscience] At what distance from earth would you have to drop a steak for it to be cooked medium rare by reentry into the atmosphere?

534 upvotes • x1n30

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If an orangutan was raised by a gorilla or chimp, would it knuckle walk, or is there a biological reason that orangutans walk on fists?

534 upvotes • six_six_twelve

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Are there any hormonal changes that occur in males or females after adopting a child that are similar to hormonal changes that would occur during a pregnancy?

534 upvotes • ross1550

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Why is there a critical point between liquids and gases but not between solids and liquids?

534 upvotes • Forestpotato

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
If you've lost a limb like a hand or foot, what do your muscles do when your brain sends the signal to move that limb?	536	PotatoPotahto
How can white noise and the Dirac distribution have the same Fourier transform?	536	Gaazoh
Pictures of the earth don't show the stars because no camera has a high enough dynamic range to show both. Does the human eye have enough range?	535	grkirchhoff
Why don't birds fall of trees when they sleep?	535	elontril2
Why is the ring finger so weak relative to the other ones?	534	Fyrezerk
If the universe is infinite, why is the night sky black?	534	TransparentBicycle
[x-post from /r/shittyaskscience] At what distance from earth would you have to drop a steak for it to be cooked medium rare by reentry into the atmosphere?	534	x1n30
If an orangutan was raised by a gorilla or chimp, would it knuckle walk, or is there a biological reason that orangutans walk on fists?	534	six_six_twelve
Are there any hormonal changes that occur in males or females after adopting a child that are similar to hormonal changes that would occur during a pregnancy?	534	ross1550
Why is there a critical point between liquids and gases but not between solids and liquids?	534	Forestpotato