/r/askscience

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Duck fat melts at 57 degrees Fahrenheit. So on a 90 degree day, is a living duck's fat just... sloshing around?

10026 upvotes • personablepickle

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When the sun goes red giant, will any planets or their moons be in the habitable zone? Will Titan?

9999 upvotes • fearbedragons

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What happens if you let a chess AI play itself? Is it just 50-50?

9982 upvotes • Exod124

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A study today showed Covid antibodies drop off quickly (70% in 2-3 months). But don't all antibodies drop off quickly? Isn't this normal?

9976 upvotes • zgrizz

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Do black holes ever just chuck stars? Are there any stars that entered within the gravitational pull of a black hole and was just “slingshotted” across the galaxy? (That we know of)

9946 upvotes • HeySolaire

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I have a theory: If there is an infinite amount of negative numbers and there is an infinite amount of positive numbers then the total amount of numbers would be odd. Because 0 is in the center. For every positive number there is an negative counterpart. Am I right? Can we prove this with math?

9943 upvotes • Frankreporter

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Why can our eyes precisely lock onto objects, but can't smoothly scroll across a landscape?

9896 upvotes • Guguskis

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If a pregnant woman has cancer, is it possible for the cancer to spread to the fetus?

9895 upvotes • KingYankee

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If the Oxford vaccine targets Covid-19's protein spike and the Moderna vaccine targets its RNA, theoretically could we get more protection by getting both vaccines?

9889 upvotes • Kmlevitt

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Humans seem to have a universally visceral reaction of disgust when seeing most insects and spiders. Do other animal species have this same reaction?

9888 upvotes • satellitevagabond

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Duck fat melts at 57 degrees Fahrenheit. So on a 90 degree day, is a living duck's fat just... sloshing around?	10026	personablepickle
When the sun goes red giant, will any planets or their moons be in the habitable zone? Will Titan?	9999	fearbedragons
What happens if you let a chess AI play itself? Is it just 50-50?	9982	Exod124
A study today showed Covid antibodies drop off quickly (70% in 2-3 months). But don't all antibodies drop off quickly? Isn't this normal?	9976	zgrizz
Do black holes ever just chuck stars? Are there any stars that entered within the gravitational pull of a black hole and was just “slingshotted” across the galaxy? (That we know of)	9946	HeySolaire
I have a theory: If there is an infinite amount of negative numbers and there is an infinite amount of positive numbers then the total amount of numbers would be odd. Because 0 is in the center. For every positive number there is an negative counterpart. Am I right? Can we prove this with math?	9943	Frankreporter
Why can our eyes precisely lock onto objects, but can't smoothly scroll across a landscape?	9896	Guguskis
If a pregnant woman has cancer, is it possible for the cancer to spread to the fetus?	9895	KingYankee
If the Oxford vaccine targets Covid-19's protein spike and the Moderna vaccine targets its RNA, theoretically could we get more protection by getting both vaccines?	9889	Kmlevitt
Humans seem to have a universally visceral reaction of disgust when seeing most insects and spiders. Do other animal species have this same reaction?	9888	satellitevagabond