This Scientific American takes at look at some of the current controversies in cosmology, starting with "Brave New Cosmos." Also in this special report is "Echoes from the Big Bang" by Robert Caldwell and Marc Kamionkowski: How will scientists improve how they measure the cosmic microwave background, or C.M.B.? In the article called "A Cosmic Cartographer," Charles Bennett, Gary Hinshaw and Lyman Page explain. Also, an article that sounds more like science fiction than science - dark energy that emits a repulsive gravity? That's among the discoveries that Jerimiah Ostriker and Paul Steinhardt explore in "The Quintessential Universe." Confused by all the latest cosmological theories? You're not alone. P. James E. Peebles takes on "Making Sense of Modern Cosmology." In the article "Plan B for the Cosmos," Joao Magueijo asks what happens if some of the current theories are wrong...Finally, a "2001 Scorecard" from Scientific American staff writer Gary Stix.Listen to Part 2 of Scientific American: January 2001.More
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