What exactly are we smelling when we smell ‘fresh air’?

What exactly are we smelling when we smell ‘fresh air’?

What exactly are we smelling when we smell ‘fresh air’? 150 150 icnagency

By: Guardian Staff | What exactly are we smelling when we smell ‘fresh air’? | Neuroscience | The Guardian

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific concepts

Especially on a cold day, when you’re inside and someone comes in after a longish period outside, they smell pleasantly of “fresh air”. What actually is that smell?

Catherine Stornoway

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