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

submitted 14 hours 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 9 points 14 hours ago

Why not 3 then?

[-] wioum@lemmy.world 24 points 13 hours ago

You only get so many character creation points

[-] bjoern_tantau@swg-empire.de 15 points 13 hours ago

Gillette is about to launch a nose with five holes.

[-] SuiXi3D@fedia.io 4 points 13 hours ago

Because two does the job without wasting more energy.

[-] victorz@lemmy.world 2 points 6 hours ago

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

[-] Quilotoa@lemmy.ca 4 points 13 hours ago

Hm. Good question.

this post was submitted on 10 Dec 2025

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