Mildly Interesting

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Why we have two nostrils (www.popsci.com)

submitted 1 week ago by Quilotoa@lemmy.ca 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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[–] Lembot_0006@programming.dev 10 points 1 week ago (4 children)

Why not 3 then?

[–] wioum@lemmy.world 28 points 1 week ago

You only get so many character creation points

[–] bjoern_tantau@swg-empire.de 16 points 1 week ago

Gillette is about to launch a nose with five holes.

[–] SuiXi3D@fedia.io 4 points 1 week ago (1 children)

Because two does the job without wasting more energy.

[–] victorz@lemmy.world 3 points 1 week ago

This is it. Why not three hands? Two dicks? The amount we have has proven enough. 👍

[–] Quilotoa@lemmy.ca 4 points 1 week ago

Hm. Good question.