/r/askscience

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Are researchers who work with viruses like HIV at risk for infection? If so, how do they safeguard themselves against it?

817 upvotes • TurtleCracker

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Does air-conditioning spread covid?

817 upvotes • Mine_Good_Fort_Bad

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The Vyvanse patent expires this year. How long does it usually take generic alternatives to get approved, and how much of a reduction in cost is expected on average?

817 upvotes • paleselan1

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If one calorie, when burned produces enough energy to raise the temp of a litre of water by one degree. If I burn 100 calories, could I boil that same litre?

816 upvotes • ramblerandgambler

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Why the mass inside a black hole is a "singularity" and not just a very dense body like a neutron star?

816 upvotes • arx707

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Could a planet ever be ellipsoid shaped, with the poles at the 'pointy' ends? If Earth was ellipsoid (long longitudinally, short latitudinally) what would be the most noticable differences climate-wise etc.?

816 upvotes • big_macaroons

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How does gravity affect things like fire or lightning?

816 upvotes • Arrk

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Do spiders always build their own webs, or do they sometimes live in a web vacated by another spider?

816 upvotes • GoodAndBluts

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Does radioisotope migration affect radiometric dating and if so how do we correct for it?

816 upvotes • magixsumo

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If a person is starving to death, is there a point in which food intake will not save the person?

815 upvotes • downsey

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Are researchers who work with viruses like HIV at risk for infection? If so, how do they safeguard themselves against it?	817	TurtleCracker
Does air-conditioning spread covid?	817	Mine_Good_Fort_Bad
The Vyvanse patent expires this year. How long does it usually take generic alternatives to get approved, and how much of a reduction in cost is expected on average?	817	paleselan1
If one calorie, when burned produces enough energy to raise the temp of a litre of water by one degree. If I burn 100 calories, could I boil that same litre?	816	ramblerandgambler
Why the mass inside a black hole is a "singularity" and not just a very dense body like a neutron star?	816	arx707
Could a planet ever be ellipsoid shaped, with the poles at the 'pointy' ends? If Earth was ellipsoid (long longitudinally, short latitudinally) what would be the most noticable differences climate-wise etc.?	816	big_macaroons
How does gravity affect things like fire or lightning?	816	Arrk
Do spiders always build their own webs, or do they sometimes live in a web vacated by another spider?	816	GoodAndBluts
Does radioisotope migration affect radiometric dating and if so how do we correct for it?	816	magixsumo
If a person is starving to death, is there a point in which food intake will not save the person?	815	downsey