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

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If life exists elsewhere in the universe, how similar should we expect its biochemistry to be to our own?

272 upvotes

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Why are the days on the two innermost planets so much longer than on all the other planets?

71 upvotes

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How does the process of identifying and classifying fossils work?

54 upvotes

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How will the alpha-centauri nanoprobes handle the enormous amounts of acceleration to get to 20% the speed of light in a matter of minutes?

46 upvotes

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Is Helacyton gartleri a new species, and if so how is it consistent with Darwinian evolution? Rather than an accumulation of small changes, Helacyton gartleri seems to have changed by leaps and bounds from its parents species.

15 upvotes

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What is the difference between adult stem cells and embryonic stem cells? Why are emrbryonic stem cells considered more medically promising?

14 upvotes

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Why do we find young mammals cute? Puppies, kittens ... earlier one the front page there was a baby bison. Why are they cute to us?

4 upvotes

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If an element of set A necessarily belongs to set B then is A a subset of B?

1 upvotes

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What, if anything, would one see if they looked directly into a wormhole?

1 upvotes

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Intelligent design and natural selection are two possible ways to explain the existence of complex entities (i.e. watches, the diversity of life). Are there other plausible explanations as well?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If life exists elsewhere in the universe, how similar should we expect its biochemistry to be to our own?	272
Why are the days on the two innermost planets so much longer than on all the other planets?	71
How does the process of identifying and classifying fossils work?	54
How will the alpha-centauri nanoprobes handle the enormous amounts of acceleration to get to 20% the speed of light in a matter of minutes?	46
Is Helacyton gartleri a new species, and if so how is it consistent with Darwinian evolution? Rather than an accumulation of small changes, Helacyton gartleri seems to have changed by leaps and bounds from its parents species.	15
What is the difference between adult stem cells and embryonic stem cells? Why are emrbryonic stem cells considered more medically promising?	14
Why do we find young mammals cute? Puppies, kittens ... earlier one the front page there was a baby bison. Why are they cute to us?	4
If an element of set A necessarily belongs to set B then is A a subset of B?	1
What, if anything, would one see if they looked directly into a wormhole?	1
Intelligent design and natural selection are two possible ways to explain the existence of complex entities (i.e. watches, the diversity of life). Are there other plausible explanations as well?	1