Descrizione

104 pages. Contents/Features: Black Hole Blowback - a single black hole, smaller than the solar system, can control the destiny of an entire cluster of galaxies; Mapping the Cancer Genome; 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; Down go the Dams - Many dams are being torn down to allow rivers and ecosystems to rebound, but risks abound; New Predictors of Disease - Tests that detect predictive antibodies in the blood years before people show symptoms of various disorders may allow preventative action; Diesels become Clean - Improved engines and exhaust scrubbers, combined with a new fuel will make energy-efficient diesels nearly as green as hybrids; Illusory Color and the Brain - the brain may not separate perception of color from perception of form and depth. Average wear. Unmarked. A sound copy. Book