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Tardigrades are the stuff of sci-fi movies

When Brett Westwood heard he was going to encounter arguably 'the world's toughest animal' he didn't expect to find it on a garage roof in County Durham - but all became clear when he came face to face with the Tardigrade. These microscopic animals are probably the closest thing to an alien we are likely to encounter.

First broadcast on Natural Histories, 27 June 2017.

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5 minutes

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