Glorious mud

December 18, 1998

(Photograph) - Steve Rowland, professor of organic geochemistry at the University of Plymouth's department of environmental sciences, examines mud scooped from the river Tamar. Professor Rowland has identified chemicals from an algae that can slow down the growth of cancer cells in laboratory test tubes and are now being tested at the National Cancer Institute, in the United States. Photo: Mike Benson

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