40 Comments

  1. This oddly reminds me of the fact that owls (iirc specifically Barn Owls) have one ear slightly higher than the other so they can get an even more defined scope of a sound! Unfortunate that we humans can’t use this outset in our noses to also track… 🥺

  2. It's so that our nose knows, who smelt it dealt it.
    But then again, having two nostrils is much more efficient at warming, humidifying, and filtering air than a single large hole would be.

  3. In case it's not obvious on how to figure out which one is active, just breath in and use a finger to block air flow to a single nostril. One side will have easy breathing. The other will be partially active or inactive. If it's both active, it's probably at a reduced amount.

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