/r/askscience

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Considering the big hindrance bad eyesight would have been before the invention of corrective lenses, how did it remain so common in the gene pool?

1637 upvotes • kfudnapaa

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Could an object survive reentry if it were sufficiently aerodynamic or was low mass with high air resistance?

1637 upvotes • swelldom

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Is there any difference between the weightlessness experienced while in orbit and in the middle of space?

1637 upvotes • Miller0700

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There is life deep underwater. Is there life deep underground?

1636 upvotes • GlicketySplit

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Is there a theoretical limit to the size of ocean vessels?

1636 upvotes • GoetheDaChoppa

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How do single called organisms decide what to do?

1635 upvotes • HydraStrike

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If we had a train suspended on magnetic levitation, in a vacuumed tube, wouldn't all thrust from the train be accelerative since there is no countering friction?

1634 upvotes • -Blix-

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Anti-matter... What is it?

1633 upvotes • Thefishlord

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Why is the heat capacity of liquid water so much higher than its solid and gaseous forms?

1633 upvotes • _Dantallica_

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What is the difference in the Covid-19 tests currently available in the US, and which one is best for detecting asymptotic infection in vaccinated individuals?

1633 upvotes • NaiveAbbreviations5

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Considering the big hindrance bad eyesight would have been before the invention of corrective lenses, how did it remain so common in the gene pool?	1637	kfudnapaa
Could an object survive reentry if it were sufficiently aerodynamic or was low mass with high air resistance?	1637	swelldom
Is there any difference between the weightlessness experienced while in orbit and in the middle of space?	1637	Miller0700
There is life deep underwater. Is there life deep underground?	1636	GlicketySplit
Is there a theoretical limit to the size of ocean vessels?	1636	GoetheDaChoppa
How do single called organisms decide what to do?	1635	HydraStrike
If we had a train suspended on magnetic levitation, in a vacuumed tube, wouldn't all thrust from the train be accelerative since there is no countering friction?	1634	-Blix-
Anti-matter... What is it?	1633	Thefishlord
Why is the heat capacity of liquid water so much higher than its solid and gaseous forms?	1633	_Dantallica_
What is the difference in the Covid-19 tests currently available in the US, and which one is best for detecting asymptotic infection in vaccinated individuals?	1633	NaiveAbbreviations5