Business School economist Dr Katharina Hauck explains how levying a tax on sweetened soft drinks could help tackle obesity.

Dr Arthur Turrell showcases a Royal Society Summer Science exhibition where visitors will find out how and why Imperial scientists are trying to recreate the centre of the sun.

And we hear from Imperial alumnus and self-proclaimed ‘science daredevil’ Greg Foot about science communication in front of and behind the camera.

The podcast is presented by Gareth Mitchell, a lecturer on Imperial's Science Communication MSc course and the presenter of Click Radio on the BBC World Service, with contributions from our roaming reporters from the Research Communications team.

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News: Showcasing the Imperial Show 2014 and Professor Chris Toumazou’s European Inventor Award.

Looking inside the heart of the sun: Dr Arthur Turrell explains his Royal Society Summer Science exhibition, which gives a flavour of experiments that aim to recreate the centre of the sun.

Communicating science: Gareth Mitchells speaks to Imperial alumnus and Wellcome Trust Engagement Fellow Greg Foot about public engagement and the importance of science communication. 

Soft drink tax and tackling obesity: Maxine Myers speaks to Business School economist Dr Katharina Hauck and asks whether levying a tax on sweetened soft drinks could help tackle obesity.