Planet Earth Podcast

Planet Earth episode

Tue, 6th Dec 2011

The Thames Barrier, the colour of prehistoric birds

Overall view of a Thames Barrier pier (c) Adrian Pingstone

This week in the Planet Earth Podcast - Sue Nelson goes to the Thames Barrier to find out how engineers use science to decide whether or not to raise or lower it, helping to stop storm surges from flooding London; while Richard Hollingham meets a scientist who developed a technique that reveals the colour of truly ancient fossilised birds.

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