Investigations

A sockeye salmon that was caught from the research vessel Miss Delta off the coast of Vancouver is examined. The MSC has certified the fish as "sustainable" even though there is concern from scientists and environmentalists. Brett Beadle for NPR hide caption

Capt. Art Gaeten holds a blue shark that was caught during a research trip in Nova Scotia. Scientists are studying the impact of swordfish fishing methods on the shark population. Dean Casavechia for NPR hide caption

Dennis Roseman, left, and Jamie Manganello pull in a swordfish off the coast of Florida. The Day Boat Seafood company went through a complicated process to become certified as a sustainable fishery by the Marine Stewardship Council. Chip Litherland for NPR hide caption

Derrin Yellow Robe, 3, stands in his great-grandparents' backyard on the Crow Creek Reservation in South Dakota. He was taken off the reservation by South Dakota's Department of Social Services in July 2009 and spent a year and a half in foster care before being returned to his family. John Poole/NPR hide caption

Jennie and Kristian Aspelin pose in a pumpkin patch with their children two weeks before three-month-old Johan died. Courtesy of the Aspelin family hide caption

Simon Cho competes in the men's 500-meter finals at the 2011 ISU World Cup short track speedskating final in Dresden, Germany. He won the event. Robert Michael/AFP/Getty Images hide caption