/r/askscience

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Why is 0! greater than 0.5! ?

566 upvotes • l0__0I

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If you dissolve salt into water is it still H2O?

566 upvotes • jdegraff89

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How can migranes hurt if you have no pain receptors in your Brain?

566 upvotes • Godphila

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Is it possible there have been virus outbreaks in the past that have infected millions but were never detected because they never caused any symptoms?

566 upvotes • g3nericc

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How does the body know when to purge food through vomiting and/or diarrhea?

566 upvotes • SirKazum

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If I lit a candle in space on a spaceship then what would the flame shape look like since there is no gravity?

565 upvotes • gravitypushes

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The centrifuge in my lab goes to 24,400 g's. What celestial object is this equivalent to standing on?

565 upvotes • jnish

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How would I go about testing if a Vitamin B12 supplement actually contains Vitamin B12?

565 upvotes • thedrx

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What is happening when a (prolonged) coma patient wakes up?

565 upvotes • maplecrete

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Do animals see television screens as having nonsensical colours? How does the number and responsive range of cones in the eye affect the way the light is added to produce colours?

564 upvotes • dxinteractive

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Why is 0! greater than 0.5! ?	566	l0__0I
If you dissolve salt into water is it still H2O?	566	jdegraff89
How can migranes hurt if you have no pain receptors in your Brain?	566	Godphila
Is it possible there have been virus outbreaks in the past that have infected millions but were never detected because they never caused any symptoms?	566	g3nericc
How does the body know when to purge food through vomiting and/or diarrhea?	566	SirKazum
If I lit a candle in space on a spaceship then what would the flame shape look like since there is no gravity?	565	gravitypushes
The centrifuge in my lab goes to 24,400 g's. What celestial object is this equivalent to standing on?	565	jnish
How would I go about testing if a Vitamin B12 supplement actually contains Vitamin B12?	565	thedrx
What is happening when a (prolonged) coma patient wakes up?	565	maplecrete
Do animals see television screens as having nonsensical colours? How does the number and responsive range of cones in the eye affect the way the light is added to produce colours?	564	dxinteractive