What will it take in this Olympic year to jump higher, throw further or run faster than anyone else in the world - raw talent, a fast track or new drugs? Science influences all sides of sport and often makes the difference between a good athlete and a world champion. And the British bobsleigh team go through their final training in the former East Germany, using that country's design and philosophy. With
Kate Bellingham , Howard Stableford, Judith Hann and Carmen Pryce. Producers Judith Bunting , Kate O'Sullivan Editor Dana Purvis
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