Scientific American - March 2007 PDF | English | 4.2 MB | RAR $http://rapidshare.com/files/18866032/Scientific_American_-_2007_-_03.rar
[IMG]http://i18.tinypic.com/447z6dx.jpg[/IMG] Contents Features: A S T R O P H Y S I C S Black Hole Blowback A single black hole, smaller than the solar system, can control the destiny of an entire cluster of galaxies. B I O T E C H N O L O G Y Mapping the Cancer Genome The Cancer Genome Atlas will help chart a new course across the complex landscape of human malignancies. I N F O RM A T I O N T E C H N O L O G Y A Digital Life New systems may allow people to record everything that has touched their lives and to store all these data in a personal digital archive. E N V I R O N M E N T Down Go the Dams Many dams are being torn down these days, allowing rivers and the ecosystems they support to rebound. But ecological risks abound as well. Can they be averted? M E D I C I N E New Predictors of Disease Predictive autoantibodies appear in the blood years before people show symptoms of various disorders. Tests that detected these molecules could warn of the need to take preventive action. E N E R G Y Diesels Come Clean Improved engines and exhaust scrubbers, combined with a new fuel, will make energy-effi cient diesels nearly as green as hybrids. N E U R O S C I E N C E Illusory Color and the Brain The brain may not separate perception of color from perception of form and depth.
