Episode details World Service,·21 Jul 2026,·26 mins Smell the future Tech Life Available for over a year The nose of a dog is incredibly sensitive.

And odour contains information.

With the help of AI, electronic 'noses' are being used to sniff out complex odours, including diseases.

Chris Vallance visits a company developing the technology.

Also this week: Shiona McCallum is in Paris to see the tech that can help us understand sleep.

And Liv McMahon accompanies Chris on a walk in a park.

There, they try one of many bird identification apps that are proving a hit, especially with younger users.

Presenter: Chris Vallance Producer: Tom Quinn (Image: A photo of a cute mixed breed dog with black fur.

It is sitting down, looking up at the camera.

Its nose is prominent in the foreground.