Dog noses: sniffing out diseases and stress in humans

Cosmos Magazine


Cosmos is a quarterly science magazine. We aim to inspire curiosity in ‘The Science of Everything’ and make the world of science accessible to everyone.

By Cosmos

They’re not just furry and lovable companions, but dogs have an incredible sense of smell – far superior to our own.  

Incredibly, dogs can smell in parts per trillion and even sniff out a single dirty sock in a pile of 2 million clean ones. 

On the latest episode of The Science Briefing Dr Sophie Calabretto talks to Cosmos Magazine journalist Imma Perfetto about the power in dogs nostrils and how they can potentially smell when you’re sick or even stressed.

Huh? Science Explained is a LiSTNR production.

Read more: Machine learning gives a dog’s eye view of the world

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