This week's edition features the pioneering work of a Dutch scientist, whose ten-year research into new methods of reclaiming land from the sea is put to the test in Maastricht. Craig Doyle reports from
California on an intelligence test for squirrels, which aims to find outjust how they manage to find the nuts they hide each autumn. Presented by Peter Snow and Philippa Forrester, with Jez Nelson and Anya Sitaram. Producer Samantha Starbuck
Editor Saul Nasse .......................
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