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Why does the UK, an island shaped by its strong tides, still not have any major tidal energy schemes? Plans for tidal barrages in the UK seem to be regularly discussed but never come to fruition, but now a new report has suggested that a tidal lagoon should be created in the Severn Estuary to generate electricity.

Guest presenter Tom Whipple speaks to Chair of the Severn Estuary Commission, Dr Andrew Garrad, about whether this will finally be the moment for tidal power that we’ve been waiting for.

Also, earth scientists around the world are trying to understand why the 7.7 magnitude earthquake which struck Myanmar last weekend was just so devastating. Dr Ian Watkinson, structural geologist at Royal Holloway university, tells us about a theory that a seismic event called a ‘supershear earthquake’ took place.

And a new bat is causing controversy in the baseball world! The ‘Torpedo Bat’, engineered by an MIT physicist, has helped the New York Yankees crush records in Major League Baseball. Steve Haake, Professor of Sports Engineering at Sheffield Hallam University explains why this bat has helped hitters hit so many home runs.

Science journalist Caroline Steel drops in with her picks of the week’s news, including a new blood test for Alzheimer's disease, a potential new super collider and a new way to identify which bees are most hygienic.

Presenter: Tom Whipple
Producers: Clare Salisbury, Dan Welsh, Jonathan Blackwell
Editor: Martin Smith
Production Co-ordinator: Jana Bennett-Holesworth