/r/askscience

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What is the incubation time of the corona virus?

3336 upvotes • SpaceJinx

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Help me answer my daughter: Does every planet have tectonic plates?

3336 upvotes • awkwardexitoutthebac

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What makes rabies so deadly?

3335 upvotes • Wowok15263737

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Why do we have kneecaps, but we don't have elbow caps?

3334 upvotes • Phantom0591

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Is diarrhea caused by an influx of fluid into the digestive tract, or the inability of the large intestine to absorb water ?

3333 upvotes • jmk338

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Why do airplane windows need to have that hole?

3332 upvotes • tsgoten

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Banana. We are regularly told that bananas are under threat. Are there other strains of Banana under development, if so how far away are they to commercial introduction and what other measures might be under way to protect this staple crop?

3328 upvotes • Gargatua13013

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Did Marie Curie ever wonder if the radiation she was studying was dangerous?

3328 upvotes • ReasonablyConfused

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After having Covid, your body retains antibodies against it for only a short period of time. Why does the body essentially "forget" these antibodies?

3325 upvotes • FlyingPiranha

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Are human the only animals that can use ketone bodies to fuel the brain?

3324 upvotes • Megalomania192

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
What is the incubation time of the corona virus?	3336	SpaceJinx
Help me answer my daughter: Does every planet have tectonic plates?	3336	awkwardexitoutthebac
What makes rabies so deadly?	3335	Wowok15263737
Why do we have kneecaps, but we don't have elbow caps?	3334	Phantom0591
Is diarrhea caused by an influx of fluid into the digestive tract, or the inability of the large intestine to absorb water ?	3333	jmk338
Why do airplane windows need to have that hole?	3332	tsgoten
Banana. We are regularly told that bananas are under threat. Are there other strains of Banana under development, if so how far away are they to commercial introduction and what other measures might be under way to protect this staple crop?	3328	Gargatua13013
Did Marie Curie ever wonder if the radiation she was studying was dangerous?	3328	ReasonablyConfused
After having Covid, your body retains antibodies against it for only a short period of time. Why does the body essentially "forget" these antibodies?	3325	FlyingPiranha
Are human the only animals that can use ketone bodies to fuel the brain?	3324	Megalomania192