/r/askscience

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Ask Anything Wednesday - Engineering, Mathematics, Computer Science

1075 upvotes • AutoModerator

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What happens during sleep that gives us "energy"?

1074 upvotes • Pastatower

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I think I figured out how to send information faster than the speed of light using the Quantum Eraser experiment, can someone please debunk me?

1074 upvotes • dudeanatortron

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"Graphene can do just about anything except leave the lab." Why is graphene so difficult to utilize?

1074 upvotes • The_Safe_For_Work

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Why does the word "mama" so often mean mother in different languages, even in languages that aren't closely related?

1073 upvotes • xxfreedomxx

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Why do freshwater fish tend to have dull colors while tropical fish tend to have bright colors?

1073 upvotes • ManusJustus

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Does a combustion reaction always need to have an organic compound and oxygen gas as the reactants and water and Carbon dioxide as the product?

1073 upvotes • INFP-Ca

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If the US was able to put men on the moon in the '60s with less computing power than a modern cell phone, why is it that modern countries such as China or even North Korea can't pull it off?

1071 upvotes • PoeticGopher

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Aren't we technically still in an ice age?

1071 upvotes • lex007

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How did blood evolve?

1071 upvotes • Fapotheosis

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Ask Anything Wednesday - Engineering, Mathematics, Computer Science	1075	AutoModerator
What happens during sleep that gives us "energy"?	1074	Pastatower
I think I figured out how to send information faster than the speed of light using the Quantum Eraser experiment, can someone please debunk me?	1074	dudeanatortron
"Graphene can do just about anything except leave the lab." Why is graphene so difficult to utilize?	1074	The_Safe_For_Work
Why does the word "mama" so often mean mother in different languages, even in languages that aren't closely related?	1073	xxfreedomxx
Why do freshwater fish tend to have dull colors while tropical fish tend to have bright colors?	1073	ManusJustus
Does a combustion reaction always need to have an organic compound and oxygen gas as the reactants and water and Carbon dioxide as the product?	1073	INFP-Ca
If the US was able to put men on the moon in the '60s with less computing power than a modern cell phone, why is it that modern countries such as China or even North Korea can't pull it off?	1071	PoeticGopher
Aren't we technically still in an ice age?	1071	lex007
How did blood evolve?	1071	Fapotheosis