Clean water is something that many of us take for granted, but Dr Mark Booth from Cambridge University describes how in many parts of the world dirty water can lead to life-threatening disease and parasitic infections. To talk about the current strategies in place to supply clean water we're joined by Dr Alex McKie from Surrey University, and Professor Colin Humphreys from Cambridge University explains how high-energy UV LEDs could help provide clean water in the future. In Kitchen Science, Helen Scales and Dave Ansell bring sweetness and light to a house in Cottenham... Listen Now
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