Science Mag Essay

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HOW PLACEBOS WORK • BURYING PLUTONIUM UNDER THE SEA • LEONARDO’S LEGACY FLYING OVER THE SOLAR SYSTEM THE ULYSSES SPACECRAFT GOES WHERE NO PROBE HAS GONE BEFORE JANUARY 1998 $4.95 Life’s architecture: cells grow with “tensegrity” Copyright 1997 Scientific American, Inc. January 1998 Vo l u m e 2 7 8 Numb e r 1 FROM THE EDITORS 6 LETTERS TO THE EDITORS 8 50, 100 AND 150 YEARS AGO 10 THE 1997 NOBEL PRIZES FOR SCIENCE A look at the contributions and controversies of the winning work. 14 NEWS AND ANALYSIS The Architecture of Life Donald E. Ingber 48 How groups of molecules assemble themselves into whole, living organisms is one of biology’s most fundamental and complex riddles. The answer may depend on “tensegrity,” a versatile architectural standard in which structures stabilize themselves by balancing forces of internal tension and compression. The same relatively simple mechanical rules, operating at different scales, may govern cell movements, the organization of tissues and organ development. IN FOCUS Pumping CO2 out of the air could help fight the greenhouse effect. Burial of Radioactive Waste under the Seabed Charles D. Hollister and Steven Nadis 60 21 SCIENCE AND THE CITIZEN Reassessing Neanderthal DNA.... How stress hurts brains.... Meat TNTenderizer. 24 PROFILE Claude Lévi-Strauss, anthropologist. Geologically stable mudflats that form a blanket hundreds of meters thick on the floor of the deep ocean might be an ideal place to dispose safely of radioactive materials from nuclear reactors and dismantled weapons. The idea horrifies some environmentalists, but here are reasons why it deserves additional scientific investigation. 38 TECHNOLOGY AND BUSINESS Carbon adds zip to silicon....Cloning for organs....Roaches at the wheel. Bacterial Gene Swapping in Nature Robert V. Miller 66 41 CYBER

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