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Why we have two nostrils (www.popsci.com)
submitted 11 months ago by to c/mildlyinteresting@lemmy.world
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TL:DR We alternate breathing between the two. Each nostril smells differently Two nostrils help us locate smells Two nostrils may give us an advantage against colds

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[–] 16 points 11 months ago

Gillette is about to launch a nose with five holes.

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