/r/askscience

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Why aren't space-based radio telescopes really a thing?

833 upvotes • HardlineMike

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My friend is convinced that microwave ovens destroy nutrients in food. Can askscience help me refute or confirm this?

832 upvotes • Swarthily

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Is female ejaculation or "squirting" just urine or is it something else?

832 upvotes • morphogenesis28

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What happens when lightning strikes the ocean?

832 upvotes • ohwordddddd

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Are there any examples of species that have gone extinct and then much later come back into existence via a totally different evolutionary route?

832 upvotes • WartimeHotTot

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Have whitening toothpastes improved measurably in recent years, or is it all hype?

831 upvotes • Philip_of_mastadon

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How do chimpanzees develop so much muscle on a diet of mostly fruit?

831 upvotes • nightshade

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Why aren't we using mirrors and sunlight to make energy?

831 upvotes • ArSlash

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Why is there a negative correlation between planet size and rotation speed?

831 upvotes • tigersharkwushen

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Why does the Curiosity's wheels have treads that aren't uniform zig zags?

831 upvotes • CaptainBenza

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Why aren't space-based radio telescopes really a thing?	833	HardlineMike
My friend is convinced that microwave ovens destroy nutrients in food. Can askscience help me refute or confirm this?	832	Swarthily
Is female ejaculation or "squirting" just urine or is it something else?	832	morphogenesis28
What happens when lightning strikes the ocean?	832	ohwordddddd
Are there any examples of species that have gone extinct and then much later come back into existence via a totally different evolutionary route?	832	WartimeHotTot
Have whitening toothpastes improved measurably in recent years, or is it all hype?	831	Philip_of_mastadon
How do chimpanzees develop so much muscle on a diet of mostly fruit?	831	nightshade
Why aren't we using mirrors and sunlight to make energy?	831	ArSlash
Why is there a negative correlation between planet size and rotation speed?	831	tigersharkwushen
Why does the Curiosity's wheels have treads that aren't uniform zig zags?	831	CaptainBenza