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Available for over a year
In this week's programme we look at the latest earth like exoplanets, are they cool enough to support life? Also, creating the fuel of the future using lessons from nature - a way to make hydrogen directly from sunlight. We examine the conditions under which aquatic mammals, in particular whales, might get decompression sickness, a condition found in human divers. We hear how the evolution of elephant's foot bones means they tip toe around, as if they are wearing high heels.
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