/r/askscience
if the FM radio signal transmits information by varying the frequency, why do we tune in to a single frequency to hear it?
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Is there are difference between orange and white colored astronaut suits? (Other than color, of course)
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When the heart beats faster, the contractions are closer together in time. But is each contraction itself also faster?
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How come otorhinolaryngology is a single discipline if it concerns three different body parts? Are these connected in some way? Are there other examples of specialties that include multiple minor subspecialties?
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