During his three-day bus tour recently, President Obama discussed job creation. At one town hall, he mentioned a training program in Georgia that allows companies to train prospective employees temporarily while they still receive an unemployment check. Joe Raedle/Getty Images hide caption

A woman hitchhikes on a highway outside Havana. Javier Galeano/AP hide caption

An artist's reconstruction of the Tibetan woolly rhino. Woolly rhinos used their flattened horns to sweep snow off of vegetation, a critical adaptation to survive frigid conditions. Image by Julie Naylor hide caption

President Obama, joined by General Electric CEO Jeffrey Immelt (left) and plant manager Kevin Sharkey, visits a GE plant in Schenectady, N.Y., in January. Obama has made green jobs a centerpiece of his job-creation program. J. Scott Applewhite/AP hide caption

U.S. Marines patrol with Afghan forces through a harvested poppy field in Northern Marjah in southern Afghanistan's Helmand province, June 6, 2011. Ten years after the fall of the Taliban, progress on U.S. pledges to help Afghanistan is mixed. David Gilkey/NPR/Redux hide caption

O'Connell Street, 1952: Dublin in the 1950s is "perfect noir territory" says writer John Banville (who writes crime fiction under the pen name Benjamin Black). The city's dark history is incorporated into his work. "I am a novelist and therefore a cannibal," he says. "I eat whatever comes near me. Everything is material." Gerry Cranham/Fox Photos/Getty Images hide caption