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AskScience AMA Series: Hi! I’m Jennifer Below, here to chat with you about all things human genetics! Here we go- ask me anything!

1590 upvotes • AskScienceModerator

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How do spiders build webs between 2 poles, with no where to hang from above?

1590 upvotes • forealzman

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Given that the speed of light changes based on the medium the light travels through, is it possible for matter or energy to travel faster than its local light due to moving through some highly refractive or dense medium?

1590 upvotes • earanhart

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I am given to understand that vasectomies do not inhibit sperm production. So what happens to the sperm if it can't be delivered?

1589 upvotes • [deleted]

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Is there a reason why most of the important mathematical constants are close to zero on the number line?

1587 upvotes • deftnous

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Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology

1587 upvotes • AutoModerator

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Is lightning blue because of same effect that causes ionized air, due to (cherenkov) radiation to be blue?

1587 upvotes • smellybrownfinger

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Lots of people don't feel identified or find themselves unattractive in photos. However, when they look in the mirror they usually have no problems with their image. Is there a neurobiological reason for this? Which image would be closer to reality as observed by a 3rd person?

1586 upvotes • Azelius

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Is any damage done when my arm falls asleep?

1586 upvotes • patrickpdk

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What is happening at cellular and tissue levels in “muscle knots”?

1586 upvotes • Wdenners

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
AskScience AMA Series: Hi! I’m Jennifer Below, here to chat with you about all things human genetics! Here we go- ask me anything!	1590	AskScienceModerator
How do spiders build webs between 2 poles, with no where to hang from above?	1590	forealzman
Given that the speed of light changes based on the medium the light travels through, is it possible for matter or energy to travel faster than its local light due to moving through some highly refractive or dense medium?	1590	earanhart
I am given to understand that vasectomies do not inhibit sperm production. So what happens to the sperm if it can't be delivered?	1589	[deleted]
Is there a reason why most of the important mathematical constants are close to zero on the number line?	1587	deftnous
Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology	1587	AutoModerator
Is lightning blue because of same effect that causes ionized air, due to (cherenkov) radiation to be blue?	1587	smellybrownfinger
Lots of people don't feel identified or find themselves unattractive in photos. However, when they look in the mirror they usually have no problems with their image. Is there a neurobiological reason for this? Which image would be closer to reality as observed by a 3rd person?	1586	Azelius
Is any damage done when my arm falls asleep?	1586	patrickpdk
What is happening at cellular and tissue levels in “muscle knots”?	1586	Wdenners