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Three people with untreatable conditions see if, within their lifetime, they can be cured.
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8/10. A look at marine invertebrates, including Humboldt squid, starfish and giant octopi.
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6/6. Ray Mears explores the unique cultures, skills and landscape of Canada's far west.
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Matt Baker and Julia Bradbury try out the waves created by an artificial surf reef.
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Nicholas Crane takes a stroll around the churchyard of St Bridget's.
55 more programmes coming up in the next 7 days.