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Conservation and saving species go under the spotlight this week as science writer Dr Henry Nicholls draws attention to the plight of 'Lonesome George', the last giant tortoise of his kind, Dr David Aldridge from Cambridge University discusses the problem of invasive species and how he is purging freshwater ecosystems of zebra mussels with a poison pill, Chris interviews Professor Rick Shine from the University of Sydney about the wave of invasive cane toads legging it across Australia, from waves to the ocean, Dr Helen Scales discusses the issues behind marine conservation, and sticking with the watery theme, Derek Thorne whips up a storm in Kitchen Science.
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