Did you know hedgehogs can swim? Hannah Stitfall visits a hedgehog rescue centre, learning about conservation efforts and helps administer some hydrotherapy to a poorly hog.
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The Science of Cute Episode 3

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thoughtprovoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

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