/r/askscience

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Supposing I have an unfair coin (not 50/50), but don't know the probability of it landing on heads or tails, is there a standard formula/method for how many flips I should make before assuming that the distribution is about right?

11199 upvotes • valeriepieris

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Considering that the internet is a web of multiple systems, can there be a single event that completely brings it down?

11181 upvotes • Stealthtymastercat

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[Neuroscience] Why can't we use adrenaline or some kind of stimulant to wake people out of comas? Is there something physically stopping it, or is it just too dangerous?

11181 upvotes • 4x49ers

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Am I using muscles to keep my eyelids open or to keep them closed or both?

11159 upvotes • adamtwosleeves

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How do scientists studying antimatter MAKE the antimatter they study if all their tools are composed of regular matter?

11137 upvotes • BobcatBlu3

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Are there any chemicals so deadly a mere drop on skin could kill?

11127 upvotes • kraybae

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Sometimes when we rub our eyes too hard you lose your vision for a second and then it comes back gradually. Why is that?

11126 upvotes • lejhindary4444

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Does penis size come from your mother’s side?

11108 upvotes • RFEngineer

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How exactly did knights in full suits of armor actually go about killing eachother?

11095 upvotes • tismythrown

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Why have so few people died of COVID-19 in Germany (so far)?

11081 upvotes • itengelhardt

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Supposing I have an unfair coin (not 50/50), but don't know the probability of it landing on heads or tails, is there a standard formula/method for how many flips I should make before assuming that the distribution is about right?	11199	valeriepieris
Considering that the internet is a web of multiple systems, can there be a single event that completely brings it down?	11181	Stealthtymastercat
[Neuroscience] Why can't we use adrenaline or some kind of stimulant to wake people out of comas? Is there something physically stopping it, or is it just too dangerous?	11181	4x49ers
Am I using muscles to keep my eyelids open or to keep them closed or both?	11159	adamtwosleeves
How do scientists studying antimatter MAKE the antimatter they study if all their tools are composed of regular matter?	11137	BobcatBlu3
Are there any chemicals so deadly a mere drop on skin could kill?	11127	kraybae
Sometimes when we rub our eyes too hard you lose your vision for a second and then it comes back gradually. Why is that?	11126	lejhindary4444
Does penis size come from your mother’s side?	11108	RFEngineer
How exactly did knights in full suits of armor actually go about killing eachother?	11095	tismythrown
Why have so few people died of COVID-19 in Germany (so far)?	11081	itengelhardt