Contents

14 March 2014
Vol 343, Issue 6176

About The Cover

Cover image expansion

COVER Surface tension supports a water strider. At small scales, the influence of surface tension can exceed that of gravity, affecting everything from how small animals urinate to how water ferns stay buoyant and how pathogens spread from a sneeze or cough. Science explores the small world of surface tension in a News Focus on page 1194. Photo: © Hideta Nagai/National Geographic Society/Corbis