/r/askscience

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Is it possible for a star to be cold?

3303 upvotes • JebbeK

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Is it possible for a planet to be tidally locked around a star, so that one side is always facing its sun, and the other always facing darkness?

3303 upvotes • TooPatToCare

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How can an almond help with digestion but also be indigestible?

3302 upvotes • GuiltyIslander

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It's my understanding that when we try to touch something, say a table, electrostatic repulsion keeps our hand-atoms from ever actually touching the table-atoms. What, if anything, would happen if the nuclei in our hand-atoms actually touched the nuclei in the table-atoms?

3301 upvotes • pudding_world

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why does Bismuth crystallize into such a weird square shape?

3301 upvotes • Tithil

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What is the consistency of outer space? Does it always feel empty? What about the plasma and heliosheath and interstellar space? Does it all feel the same emptiness or do they have different thickness?

3301 upvotes • Sadhippo

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How does cancer spread?

3300 upvotes • Yuppi00

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Will the melting polar ice caps actually bring on an ice age due to lower ocean salinity?

3300 upvotes • PoliteBrick2002

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If vaccines work by introducing a small amount of a foreign substance to your body to trigger an immune response to develop resistance, why don’t allergies work the same when they also trigger an immune response when exposed to something foreign to the body?

3299 upvotes • jelllyjamms

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Why is it that certain creatures can consume rotting material (plants, animals) and thrive off it, but if I eat some meat or other substance that's a little bit spoiled I get sick?

3298 upvotes • phoenixfighter00

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Is it possible for a star to be cold?	3303	JebbeK
Is it possible for a planet to be tidally locked around a star, so that one side is always facing its sun, and the other always facing darkness?	3303	TooPatToCare
How can an almond help with digestion but also be indigestible?	3302	GuiltyIslander
It's my understanding that when we try to touch something, say a table, electrostatic repulsion keeps our hand-atoms from ever actually touching the table-atoms. What, if anything, would happen if the nuclei in our hand-atoms actually touched the nuclei in the table-atoms?	3301	pudding_world
why does Bismuth crystallize into such a weird square shape?	3301	Tithil
What is the consistency of outer space? Does it always feel empty? What about the plasma and heliosheath and interstellar space? Does it all feel the same emptiness or do they have different thickness?	3301	Sadhippo
How does cancer spread?	3300	Yuppi00
Will the melting polar ice caps actually bring on an ice age due to lower ocean salinity?	3300	PoliteBrick2002
If vaccines work by introducing a small amount of a foreign substance to your body to trigger an immune response to develop resistance, why don’t allergies work the same when they also trigger an immune response when exposed to something foreign to the body?	3299	jelllyjamms
Why is it that certain creatures can consume rotting material (plants, animals) and thrive off it, but if I eat some meat or other substance that's a little bit spoiled I get sick?	3298	phoenixfighter00