/r/askscience

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If we went out into space and created a closed glass sphere, would it be a more perfect vacuum than anything we could create on Earth?

602 upvotes • aphexcoil

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Why is there so much controversy surrounding GMOs?

602 upvotes • [deleted]

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When pizza burns the roof of your mouth and "skin" dangles down, what is that? Is it actually skin? Some other type of membrane? Does it scar?

602 upvotes • jzzsxm

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What exactly happens when an individual undergoes a drug-induced psychosis?

602 upvotes • kevinbobevin

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Is there a reason, either mechanically or hydrodynamically, that a ship couldn’t have its propeller in the front, instead of behind? E.g. as a ‘puller,’ like a plane, rather than a ‘pusher?’

602 upvotes • Liberal_Redneck

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Can red blood cells be produced anywhere besides bone marrow?

602 upvotes • fatfuckgary

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How efficient is the bouncing of kangaroos compared to other forms of bipedal movement?

601 upvotes • Weaselord

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Does a butterfly have any memory of when it was a caterpillar? [Biology]

601 upvotes • Jack_ADTR

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How come, if we know the genetic sequence of an organism, we can't just...generate it? Could this ever be possible, and why or why not?

601 upvotes • paprikashi

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There have been a few news articles written in the past 24 hours regarding a sudden increase in carbon monoxide on the west coast, but I can't find any reputable sources. Is this accurate, and if so, does it lend credence to a potential Earthquake?

601 upvotes • koulnis

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
If we went out into space and created a closed glass sphere, would it be a more perfect vacuum than anything we could create on Earth?	602	aphexcoil
Why is there so much controversy surrounding GMOs?	602	[deleted]
When pizza burns the roof of your mouth and "skin" dangles down, what is that? Is it actually skin? Some other type of membrane? Does it scar?	602	jzzsxm
What exactly happens when an individual undergoes a drug-induced psychosis?	602	kevinbobevin
Is there a reason, either mechanically or hydrodynamically, that a ship couldn’t have its propeller in the front, instead of behind? E.g. as a ‘puller,’ like a plane, rather than a ‘pusher?’	602	Liberal_Redneck
Can red blood cells be produced anywhere besides bone marrow?	602	fatfuckgary
How efficient is the bouncing of kangaroos compared to other forms of bipedal movement?	601	Weaselord
Does a butterfly have any memory of when it was a caterpillar? [Biology]	601	Jack_ADTR
How come, if we know the genetic sequence of an organism, we can't just...generate it? Could this ever be possible, and why or why not?	601	paprikashi
There have been a few news articles written in the past 24 hours regarding a sudden increase in carbon monoxide on the west coast, but I can't find any reputable sources. Is this accurate, and if so, does it lend credence to a potential Earthquake?	601	koulnis