/r/askscience

Year:

Only show posts with narrations

Why do I have to close my eyes to go to sleep?

815 upvotes • ItGotRidiculous

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Why doesn't eating stimulate our gag reflex?

815 upvotes • SonOfSatan

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Could we colonize Mars with lichen and cyanobacteria?

815 upvotes • AnnaBonanno

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If a Voyager I type probe were to approach Earth, at what distance/ range would it be from us until we could faesibly interact with it or retrieve it?

815 upvotes • player_zero_

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If abruptly stopping your alcohol intake can be harmful, or even lethal depending on how long you were consumed by it - does the same apply to Marijuana?

815 upvotes • CloudStrife8797

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What would happen if you made a gigantic sphere of water in space?

815 upvotes • kb3uoe

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Is there a mathematical technique for switching the perspective of the camera and the perspective of the light source in a photograph so that the camera is looking from where the light source was and the light source is where the camera was?

814 upvotes • pancakepancakes

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Is an unripened fruit nutritionally identical to a ripe one?

814 upvotes • alo81

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How do we know how many bitcoins are in circulation?

814 upvotes • Jolly_Misanthrope

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How long after you get exposed to the COVID-19 virus does a test able to detect it?

814 upvotes • foozler420

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Why do I have to close my eyes to go to sleep?	815	ItGotRidiculous
Why doesn't eating stimulate our gag reflex?	815	SonOfSatan
Could we colonize Mars with lichen and cyanobacteria?	815	AnnaBonanno
If a Voyager I type probe were to approach Earth, at what distance/ range would it be from us until we could faesibly interact with it or retrieve it?	815	player_zero_
If abruptly stopping your alcohol intake can be harmful, or even lethal depending on how long you were consumed by it - does the same apply to Marijuana?	815	CloudStrife8797
What would happen if you made a gigantic sphere of water in space?	815	kb3uoe
Is there a mathematical technique for switching the perspective of the camera and the perspective of the light source in a photograph so that the camera is looking from where the light source was and the light source is where the camera was?	814	pancakepancakes
Is an unripened fruit nutritionally identical to a ripe one?	814	alo81
How do we know how many bitcoins are in circulation?	814	Jolly_Misanthrope
How long after you get exposed to the COVID-19 virus does a test able to detect it?	814	foozler420