/r/askscience

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Has the amount of COVID deaths caused the global population to decline when combined with other deaths from other causes?

3469 upvotes • solipsistrealist

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How significantly do plastic dental appliances, things like retainers, Invisalign, or night guards, contribute to the build up of microplastics in the body?

3466 upvotes • Mycellanious

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What makes a high, basic pH so dangerous?

3465 upvotes • concerninglydumb

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Why are the stars and planets spherical, but galaxies flat?

3464 upvotes • CuddlyUnit

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We are paleontologists who study fossils from an incredible site in Texas called the Arlington Archosaur Site. Ask us anything!

3463 upvotes • ArlingtonArchosaurs

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Can a graphene sheet be rolled up like a scroll until it reaches a large enough diameter to be used as a wire? If so, would it still have really good conducting capabilities?

3462 upvotes • schmokeydragon

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Is it theoretically possible for a nuclear reaction to happen randomly on earth (i.e. in nature)?

3460 upvotes • janez_blond

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Does a rainbow extend into the invisible part of the spectrum?

3459 upvotes • Chris_Wells_95

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Why don't microplastics keep breaking down?

3458 upvotes • MDChristie

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Has there been a disease that was beneficial to humans?

3457 upvotes • thesocialist1

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Has the amount of COVID deaths caused the global population to decline when combined with other deaths from other causes?	3469	solipsistrealist
How significantly do plastic dental appliances, things like retainers, Invisalign, or night guards, contribute to the build up of microplastics in the body?	3466	Mycellanious
What makes a high, basic pH so dangerous?	3465	concerninglydumb
Why are the stars and planets spherical, but galaxies flat?	3464	CuddlyUnit
We are paleontologists who study fossils from an incredible site in Texas called the Arlington Archosaur Site. Ask us anything!	3463	ArlingtonArchosaurs
Can a graphene sheet be rolled up like a scroll until it reaches a large enough diameter to be used as a wire? If so, would it still have really good conducting capabilities?	3462	schmokeydragon
Is it theoretically possible for a nuclear reaction to happen randomly on earth (i.e. in nature)?	3460	janez_blond
Does a rainbow extend into the invisible part of the spectrum?	3459	Chris_Wells_95
Why don't microplastics keep breaking down?	3458	MDChristie
Has there been a disease that was beneficial to humans?	3457	thesocialist1