/u/[deleted]'s posts in /r/askscience

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What makes you need less oxygen when your muscles are trained?

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When cosmologists talk about negative curvature & a closed universe implying you can move in a straight line & return to the same point, do they really just mean at the big crunch?

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How do scientists determine what genes are responsible for certain traits/attributes?

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Is there some objective, scientific reason why beds are raised platforms? Why not just put a mattress on the floor and save a lot of money?

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Does metric expansion of the universe apply to the dimension of time? If not, why not?

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Is the skin on my face actually more 'sensitive' than the skin on the rest of my body, or is that just a marketing gimmick? If so, why?

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Has the total number of organisms on earth at a given time increased, decreased, or remained generally static over the last 500 or so years (more recent history)

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We are all 'star stuff'. But are we all stuff from the just one star or many?

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How does humidity affect static electricity?

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Is there a term for an animal in a social group that is neither dominant nor submissive?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What makes you need less oxygen when your muscles are trained?	69
When cosmologists talk about negative curvature & a closed universe implying you can move in a straight line & return to the same point, do they really just mean at the big crunch?	69
How do scientists determine what genes are responsible for certain traits/attributes?	69
Is there some objective, scientific reason why beds are raised platforms? Why not just put a mattress on the floor and save a lot of money?	69
Does metric expansion of the universe apply to the dimension of time? If not, why not?	69
Is the skin on my face actually more 'sensitive' than the skin on the rest of my body, or is that just a marketing gimmick? If so, why?	69
Has the total number of organisms on earth at a given time increased, decreased, or remained generally static over the last 500 or so years (more recent history)	69
We are all 'star stuff'. But are we all stuff from the just one star or many?	69
How does humidity affect static electricity?	69
Is there a term for an animal in a social group that is neither dominant nor submissive?	69