/u/Krinks1's posts in /r/askscience

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How do flight feathers allow for birds to fly? What properties do they have that other feathers don't?

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Do you become weightless gradually, or is there a point where suddenly you are weightless?

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ELI5: If californium-252 is dangerous and lethal when taken into the body, how can it be injected into the body to treat cancer or determine bone health?

1 upvotes

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After the Heat Death of the Universe, will there be any physical objects left?

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With artificial insemination, the sperm must be "washed." What exactly is being washed, why, and how is it accomplished?

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If a dinosaur killer stuck the moon tomorrow, what effects would it have (if any) down here on earth?

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Can/have we learned anything about glaciers from observing large piles of snow and thinking of them as a scale model?

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How do animals recognize themselves?

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Why does a meteor impact always create a round crater?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do flight feathers allow for birds to fly? What properties do they have that other feathers don't?	5
Do you become weightless gradually, or is there a point where suddenly you are weightless?	1
ELI5: If californium-252 is dangerous and lethal when taken into the body, how can it be injected into the body to treat cancer or determine bone health?	1
After the Heat Death of the Universe, will there be any physical objects left?	1
With artificial insemination, the sperm must be "washed." What exactly is being washed, why, and how is it accomplished?	1
If a dinosaur killer stuck the moon tomorrow, what effects would it have (if any) down here on earth?	1
Can/have we learned anything about glaciers from observing large piles of snow and thinking of them as a scale model?	1
How do animals recognize themselves?	1
Why does a meteor impact always create a round crater?	1