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David is a science, environment and rural affairs correspondent. He grew up in the rolling hills of Hertfordshire helping out on local farms. He studied physics at the University of Liverpool and picked up a PhD looking at the behaviour of atomic layers of potassium on silicon before joining the ´óÏó´«Ã½. His work has taken him through tornados, earthquakes, floods and riots. His favourite story remains the discovery of a nuclear fuel rod in a Tamworth scrap yard.