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This tag is for questions about the general anatomical features of human beings as opposed to the anatomy of non-human animals.
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How much does a human brain's metabolic rate vary? [duplicate]
Possible Duplicate:
How does brain energy consumption depend on mental activity?
Our brains consume about 20% of our energy when we're at rest. How variable is a human brain's energy consum …
39
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7
answers
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Does red light preserve your night vision?
A number of companies have started marketing LED lamps that can be switched to a red mode. The claim is that red light is less harmful to one's night vision. Given that our eyes are less sensitive to …
26
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1
answer
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Why do stars disappear when I look at them?
I've noticed that when I'm out at night stars seem to vanish when I focus on them. I assume the reason is physiological and not astronomic. Why does this happen? I would expect that things would be mo …
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Could we transmit smells electronically?
We can encode sound and images in radio waves and send them, but presumably there's some physiological reason that we can't easily make a picture or video of a smell. Could we realistically break smel …