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What magnitude would the earthquake in “The Land Before Time” be?

3196 upvotes • JimTheMoose

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What does it mean to “solve” Einstein's field equations?

3195 upvotes • MichaelApproved

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Why do our hands get sweaty when anticipating strenuous activity, and are often the first things to sweat? What kind of survival situation is benefited by slippery but slightly cooler hands?

3192 upvotes • spacenegroes

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Zeroth derivative is position. First is velocity. Second is acceleration. Is there anything meaningful past that if we keep deriving?

3190 upvotes • elos_

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If rapidly cooling a metal increases its hardness, does the speed at which it's cooled always affect the end result (in terms of hardness)?

3189 upvotes • Elbynerual

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Without friction, would a ball still spin when going down a slope?

3188 upvotes • GeoffreyYeung

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What happens to veins after they are injected with a needle?

3188 upvotes • throughthewoods4

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With advances in many fields of Medicine including the transplant of synthetic hearts and 3d printing of various body parts making cheap prosthetics possible, why haven't we seen significant advances in prosthetic cartilage for damaged joints and herniated disks?

3187 upvotes • eplusl

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AskScience AMA Series: Hi! We're experts from the National Institutes of Health, the National Toxicology Program, and the American Botanical Council studying the quality, safety, and effectiveness of botanical dietary supplements and essential oils. Ask us anything!

3186 upvotes • AskScienceModerator

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Are there any studies suggesting whether long-COVID is more likely to be a life-long condition or a transient one?

3186 upvotes • ThatWhichVerbs

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
What magnitude would the earthquake in “The Land Before Time” be?	3196	JimTheMoose
What does it mean to “solve” Einstein's field equations?	3195	MichaelApproved
Why do our hands get sweaty when anticipating strenuous activity, and are often the first things to sweat? What kind of survival situation is benefited by slippery but slightly cooler hands?	3192	spacenegroes
Zeroth derivative is position. First is velocity. Second is acceleration. Is there anything meaningful past that if we keep deriving?	3190	elos_
If rapidly cooling a metal increases its hardness, does the speed at which it's cooled always affect the end result (in terms of hardness)?	3189	Elbynerual
Without friction, would a ball still spin when going down a slope?	3188	GeoffreyYeung
What happens to veins after they are injected with a needle?	3188	throughthewoods4
With advances in many fields of Medicine including the transplant of synthetic hearts and 3d printing of various body parts making cheap prosthetics possible, why haven't we seen significant advances in prosthetic cartilage for damaged joints and herniated disks?	3187	eplusl
AskScience AMA Series: Hi! We're experts from the National Institutes of Health, the National Toxicology Program, and the American Botanical Council studying the quality, safety, and effectiveness of botanical dietary supplements and essential oils. Ask us anything!	3186	AskScienceModerator
Are there any studies suggesting whether long-COVID is more likely to be a life-long condition or a transient one?	3186	ThatWhichVerbs