/r/askscience

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Does anything have the opposite effect on vocal cords that helium does?

2270 upvotes • Semitar1

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Why do we feel thirst in our throat but hunger in our stomach?

2269 upvotes • Andrewmoo

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How often do neutrinos interact with us? What happens when they do?

2269 upvotes • _spoderman_

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How fine can sand on a beach get?

2268 upvotes • be_relevant_or_dont

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Is there a limit to how many times you can gravity assist a space craft with one planet before it stops increasing its velocity?

2266 upvotes • adhding_nerd

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Are light photons emitted by fire the same photons emitted by artificial light such as a light bulb or LED?

2265 upvotes • keylessdoor

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If air is mostly nitrogen and dirt is mostly carbon, why do plants get all their nitrogen from the soil and all their carbon from the air?

2264 upvotes • rotgutbill

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Is there a consensus among the medical community on the treatment of preteen and teens that have gender dismorphia?

2263 upvotes • MayorBobbleDunary

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AskScience AMA Series: I am /u/pengdrew, a physiologist that studies Penguins! I study the physiology of aging in wild penguin species and am here to any questions you have about penguins, aging and physiology/ecology! AMA!

2262 upvotes • AskScienceModerator

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Why does birth control fail?

2261 upvotes • Feature_Fries

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Does anything have the opposite effect on vocal cords that helium does?	2270	Semitar1
Why do we feel thirst in our throat but hunger in our stomach?	2269	Andrewmoo
How often do neutrinos interact with us? What happens when they do?	2269	_spoderman_
How fine can sand on a beach get?	2268	be_relevant_or_dont
Is there a limit to how many times you can gravity assist a space craft with one planet before it stops increasing its velocity?	2266	adhding_nerd
Are light photons emitted by fire the same photons emitted by artificial light such as a light bulb or LED?	2265	keylessdoor
If air is mostly nitrogen and dirt is mostly carbon, why do plants get all their nitrogen from the soil and all their carbon from the air?	2264	rotgutbill
Is there a consensus among the medical community on the treatment of preteen and teens that have gender dismorphia?	2263	MayorBobbleDunary
AskScience AMA Series: I am /u/pengdrew, a physiologist that studies Penguins! I study the physiology of aging in wild penguin species and am here to any questions you have about penguins, aging and physiology/ecology! AMA!	2262	AskScienceModerator
Why does birth control fail?	2261	Feature_Fries