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

submitted 1 day 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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[-] baggachipz@sh.itjust.works 5 points 10 hours ago

One always has better boogers

[-] Chivera@lemmy.world 6 points 17 hours ago

One for breathing the other for bean storage

[-] Lembot_0006@programming.dev 9 points 1 day ago

Why not 3 then?

[-] wioum@lemmy.world 28 points 1 day ago

You only get so many character creation points

[-] bjoern_tantau@swg-empire.de 17 points 1 day ago

Gillette is about to launch a nose with five holes.

[-] SuiXi3D@fedia.io 4 points 1 day ago

Because two does the job without wasting more energy.

[-] victorz@lemmy.world 3 points 18 hours ago

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

[-] Quilotoa@lemmy.ca 4 points 1 day ago

Hm. Good question.

this post was submitted on 10 Dec 2025

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