In this edition: Art-science collaborations around wildfire research, joining the climate fight, and an app to aid stroke rehabilitation.

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News: New test for eye disease and investigating bee flight – We learn about a new AI-led test for a debilitating eye disease that can cause blindness, and how warming temperature may affect bumblebees’ flight.

The art and science of wildfires – We hear about a series of workshops that brought together scientists and artists, who found differences but also surprising similarities between their approaches to studying – and sharing – the world of wildfires, both devastating and beneficial.

Tipping points – What motivates people to study and fight climate change? PhD student Peter Knapp talks to scientists who have joined the Extinction Rebellion movement, and we’ve got a preview of some of his interviews.

You can listen to the full interviews on the Tipping Points podcast.

On track for stroke rehabilitation – We meet the makers of an app to help patients recover the activity of their arms following a stroke, and hear how the platform is already helping people make progress and build confidence.

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The podcast is presented by Gareth Mitchell, a lecturer on Imperial's MSc Science Communication course and the presenter of Digital Planet on the BBC World Service, with contributions from our roving reporters in the Communications and Public Affairs Division.