Features

• Carbon Wonderland

  Graphene, a newly isolated form of carbon, provides a rich lode of novel fundamental physics and practical applications

  Andre K. Geim and Philip Kim   | April 1, 2008  | 8

• Rulers of Light

  A revolutionary kind of laser light called an optical frequency comb makes possible a more precise type of atomic clock and many other applications

  Steven Cundiff , Jun Ye and John Hall   | April 1, 2008  | 1

• Reclaiming the Aral Sea

  Recklessly starving the world's fourth-largest lake to irrigate crops turned rich waters into a barren wasteland. Now the northern part, at least, is coming back

  Philip Micklin and Nikolay V. Aladin   | April 1, 2008  | 5

• Regrowing Limbs: Can People Regenerate Body Parts?

  Progress on the road to regenerating major body parts, salamander-style, could transform the treatment of amputations and major wounds

  Ken Muneoka , Manjong Han and David M. Gardiner   | April 1, 2008  | 33

• Detecting Nuclear Smuggling

  Radiation monitors at U.S. ports cannot reliably detect highly enriched uranium, which onshore terrorists could assemble into a nuclear bomb

  Thomas B. Cochran and Matthew G. McKinzie   | April 1, 2008  | 7

• The Doping Dilemma

  Game theory helps to explain the pervasive abuse of drugs in cycling, baseball and other sports

  Michael Shermer   | April 1, 2008  | 30

• The Color of Plants on Other Worlds

  On other worlds, plants could be red, blue, even black

  Nancy Y. Kiang   | April 1, 2008  | 12