Table of contents

July 2010 - Volume 59 - 7

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Bowel cancer cell. Coloured scanning electron micrograph (SEM) of an intestinal cancer cell. Cancer cells are typically large and they divide rapidly in a chaotic, uncontrolled manner. They may clump to form tumours which invade and destroy surrounding tissues. Cancer of the small intestine is rare, but cancer of the large intestine is one of the most common cancers in the developed world. Magnification unknown. Cover credit: STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY.