The space shuttle Atlantis, with its cargo arm extended, goes on display today the Kennedy Space Center Visitor Complex in Cape Canaveral, Fla. John Raoux/AP hide caption

itoggle caption John Raoux/AP

Jay Keasling (left), speaking with Rajit Sapar at the Joint BioEnergy Institute, is pioneering a technique to develop diesel fuel from yeast. Courtesy of Lawrence Berkeley National Laboratory hide caption

itoggle caption Courtesy of Lawrence Berkeley National Laboratory

Patong beach in Phuket, Thailand, was destroyed by the tsunami on Dec. 25, 2004. More than 230,000 people died. Gamma-Rapho via Getty Images hide caption

itoggle caption Gamma-Rapho via Getty Images