Russia's Adelina Sotnikova (center) celebrates after receiving her gold medal in women's figure skating Thursday. South Korea's Yuna Kim (left) took silver, and Italy's Carolina Kostner won bronze. Antonin Thuillier/AFP/Getty Images hide caption

itoggle caption Antonin Thuillier/AFP/Getty Images

Yuna Kim, of South Korea, won gold in Vancouver. She's leading the field after Wednesday's short program. Adrian Dennis/AFP/Getty Images hide caption

itoggle caption Adrian Dennis/AFP/Getty Images

An ice master checks the temperature of the ice rink at the Adler Arena Skating Center, site of the speedskating events at the Sochi Games. Patrick Semansky/AP hide caption

itoggle caption Patrick Semansky/AP

Germany's Maria Hoefl-Riesch during the slalom run of the women's alpine skiing super-combined event at the 2014 Sochi Winter Olympics. Stefano Rellandini /Reuters/Landov hide caption

itoggle caption Stefano Rellandini /Reuters/Landov

From left: U.S. Speedskaters Kelly Gunther, Brittany Bowe, Heather Richardson and Sugar Todd are aiming for Olympic glory in Sochi, Russia. Matthew Stockman/Getty Images hide caption

itoggle caption Matthew Stockman/Getty Images

Jamie Anderson of the United States, center, celebrates with silver medalist Enni Rukajarvi of Finland, left, and bronze medalist Jenny Jones of Britain, after Anderson won the women's snowboard slopestyle final at the 2014 Winter Olympics, on Sunday. Sergei Grits/AP hide caption

itoggle caption Sergei Grits/AP

Marissa Castelli (front center) and Simon Shnapir (front right) of the U.S. wait for their scores in the pairs short program Thursday in Sochi. With them are coach Robert Martin and teammates (back, from left) Jeremy Abbott, Charlie White and Meryl Davis. Darren Cummings/Pool/Getty Images hide caption

itoggle caption Darren Cummings/Pool/Getty Images

Incoming General Motors CEO Mary Barra at the center of the press scrum during the North American International Auto Show. Paul Sancya/AP hide caption

itoggle caption Paul Sancya/AP

Automakers like GM, Chrysler and Volkswagen are introducing new, cleaner diesel passenger cars to the U.S. market as fuel-efficient alternatives. Carlos Osorio/AP hide caption

itoggle caption Carlos Osorio/AP

At Detroit's North American International Auto on Monday, Ford unveiled the new F-150 with a body built almost entirely out of aluminum. Carlos Osorio/AP hide caption

itoggle caption Carlos Osorio/AP

Eydie Gorme was most famous for being half of the husband-and-wife singing duo Steve and Eydie, with her husband, Steve Lawrence. In August, Gorme passed away at the age of 84. AP hide caption

itoggle caption AP

Imagine if the road ahead includes driverless cars. Jiha Hwang/Illustration from The Car in 2035: Mobility Planning for the Near Future is courtesy of the Civic Projects Foundation hide caption

itoggle caption Jiha Hwang/Illustration from The Car in 2035: Mobility Planning for the Near Future is courtesy of the Civic Projects Foundation