How do melons concentrate water in their flesh? Why do some hairs grow longer than others? What's the advantage of African curly hair? Does the DNA of a donated organ displace that of the recipient? What are sunspots? Join Dr Chris for another mind-stretching mental work out solving your scientific problems as well as news of how mamalian hearts can regenerate themselves, and a new lasrer technique to spot melanoma... Like this podcast? Please help us by
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