HEALTH Cables/Henshaw

Recent file of Research leader Professor Denis Henshaw in the cellar of his Bristol home, where he conducted his radon experiments. Dr Henshaw is presenting an overview paper today (Thursday), to an international conference at Bristol University, on exposure to electromagnetic fields, after findings that the hum of national grid cables pulsing power to homes, schools and factories could hold a key clue to the riddle link between the high-voltage lines and childhood cancers. By Barry Batchelor/See PA Story HEALTH Cables. (Photo by PA Images via Getty Images)