/r/askscience

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If we detonated large enough of a nuclear bomb on Jupiter, could we initialize a nuclear chain reaction and create a second sun?

11690 upvotes • stnkyfeet

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Why does our brains tend to recall bad memories and make us in a bad mood rather than recall good memories and make us in a good mood more often?

11670 upvotes • Eistlu

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How do we know we’ve discovered a new species of human based on a single fossil, and not just a really ugly dude?

11660 upvotes • jakejork

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Wikipedia states, "The human nose is extremely sensitive to geosimin [the compound that we associate with the smell of rain], and is able to detect it at concentrations as low as 400 parts per trillion." How does that compare to other scents?

11625 upvotes • BourgeoisStalker

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What is the purpose of utilizing screws with a Phillips' head, flathead, Allen, hex, and so on rather than simply having one widespread screw compose?

11618 upvotes • AkashNeill

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People having psychotic episodes often say that someone put computer chips in them - What kinds of claims were made before the invention of the microchip?

11604 upvotes • SyxxFtH8

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Why can't we perform a Pancreas transplant for those with Diabetes?

11599 upvotes • SanchezTheGod

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Chlamydia is cured by taking a single pill and waiting a week before engaging in sexual activity. If everyone on Earth took the chlamydia pill and kept it in their pants for a week, would we essentially eradicate chlamydia? Why or why not?

11593 upvotes • Disastrous-Bass9672

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If a bottle is completely filled with water and I shake it. Does the water still move inside?

11550 upvotes • PM_ME_SOME_SCIENCE

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Why do cognitive abilities progressively go down the more tired you are, sometimes to the point of having your mind go "blank"?

11539 upvotes • penatbater

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
If we detonated large enough of a nuclear bomb on Jupiter, could we initialize a nuclear chain reaction and create a second sun?	11690	stnkyfeet
Why does our brains tend to recall bad memories and make us in a bad mood rather than recall good memories and make us in a good mood more often?	11670	Eistlu
How do we know we’ve discovered a new species of human based on a single fossil, and not just a really ugly dude?	11660	jakejork
Wikipedia states, "The human nose is extremely sensitive to geosimin [the compound that we associate with the smell of rain], and is able to detect it at concentrations as low as 400 parts per trillion." How does that compare to other scents?	11625	BourgeoisStalker
What is the purpose of utilizing screws with a Phillips' head, flathead, Allen, hex, and so on rather than simply having one widespread screw compose?	11618	AkashNeill
People having psychotic episodes often say that someone put computer chips in them - What kinds of claims were made before the invention of the microchip?	11604	SyxxFtH8
Why can't we perform a Pancreas transplant for those with Diabetes?	11599	SanchezTheGod
Chlamydia is cured by taking a single pill and waiting a week before engaging in sexual activity. If everyone on Earth took the chlamydia pill and kept it in their pants for a week, would we essentially eradicate chlamydia? Why or why not?	11593	Disastrous-Bass9672
If a bottle is completely filled with water and I shake it. Does the water still move inside?	11550	PM_ME_SOME_SCIENCE
Why do cognitive abilities progressively go down the more tired you are, sometimes to the point of having your mind go "blank"?	11539	penatbater