/r/askscience

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Only show posts with narrations

In an otherwise 'empty' universe, would two protons randomly placed in that universe eventually collide due to gravity?

508 upvotes • john_crow

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Since radioactive material is constantly decaying will there be a day in which there is no more radioactive material on earth?

508 upvotes • frenulum-player

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Why didn't the killer bees ever move any further north in the US?

508 upvotes • Trtlman

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Why is there a history gap between Africa's civilizations?

508 upvotes • Gentlemanchaos

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Is there an evolutionary reason that aquatic reptiles (such as ichtyosaurs) moved their tails horizontally, while aquatic mammals move their tails vertically?

508 upvotes • ijflwe42

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Underground ocean 3 times bigger than our own?

508 upvotes • [deleted]

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Can you really adapt to a poison by gradually taking more (see The Princess Bride), also, can your body develop a use for the poison, like as an immune response?

507 upvotes • idnotknowdoyou

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How different, if at all, are modern humans from those living before the Black death?

507 upvotes • SilentScarlet

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Why does the shower curtain get 'sucked' inwards when you turn the shower on?

507 upvotes • Dresner29

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If we connect a pipe from ocean to a desert and keep pumping sea waters into desert, would it become forest?

507 upvotes • Lonely_Autophile

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
In an otherwise 'empty' universe, would two protons randomly placed in that universe eventually collide due to gravity?	508	john_crow
Since radioactive material is constantly decaying will there be a day in which there is no more radioactive material on earth?	508	frenulum-player
Why didn't the killer bees ever move any further north in the US?	508	Trtlman
Why is there a history gap between Africa's civilizations?	508	Gentlemanchaos
Is there an evolutionary reason that aquatic reptiles (such as ichtyosaurs) moved their tails horizontally, while aquatic mammals move their tails vertically?	508	ijflwe42
Underground ocean 3 times bigger than our own?	508	[deleted]
Can you really adapt to a poison by gradually taking more (see The Princess Bride), also, can your body develop a use for the poison, like as an immune response?	507	idnotknowdoyou
How different, if at all, are modern humans from those living before the Black death?	507	SilentScarlet
Why does the shower curtain get 'sucked' inwards when you turn the shower on?	507	Dresner29
If we connect a pipe from ocean to a desert and keep pumping sea waters into desert, would it become forest?	507	Lonely_Autophile