Women sweep the street in an impoverished area in Port-au-Prince that was devastated by the Jan. 12 earthquake. The women are being paid $3-$5 a day to do this kind of work by the aid group Oxfam. David Schaper/NPR hide caption

itoggle caption David Schaper/NPR

Many of the children displaced by the earthquake aren't orphans. Ten-year-old Harry Bienaime was separated from his mother when he was airlifted for medical treatment. Now he's recuperating at God's Littlest Angels orphanage as the staff searches for his mother. Tamara Keith/NPR hide caption

itoggle caption Tamara Keith/NPR

Could ice shanties like this one, built on Wisconsin's Lake Waubesa in 2005, be considered something of an economic indicator? Joseph W. Jackson III/Wisconsin State Journal via AP hide caption

itoggle caption Joseph W. Jackson III/Wisconsin State Journal via AP

Alexander Kendrick stands in the Lake of the Clouds after testing his invention. He and the team of cavers executed the deepest known digital communication ever to take place in the United States. Brad Horn for NPR hide caption

itoggle caption Brad Horn for NPR

Studies show that only about 40 percent of health care workers in the U.S. wash their hands as often as they should. Rob Carr/AP hide caption

itoggle caption Rob Carr/AP