The Cascades frog is found only in the alpine wetlands of the Pacific Northwest, though its range used to extend down to Northern California and up to British Columbia. Scientists are concerned its range will continue to shrink with climate change. Ashley Ahearn/KUOW hide caption

Patty Stonesifer once watched Martha's Table serve food to the homeless outside the Washington, D.C., offices of the Bill and Melinda Gates Foundation. When the top post at the charity came open, she knew it was the job for her. John W. Poole/NPR hide caption

Migrant workers follow a police officer during a raid by Russian immigration authorities at a construction site in Moscow, in 2012. Karpov Sergei/ITAR-Tass/Landov hide caption

People cool off Wednesday in a pool in Shanghai, where temperatures reached an all-time record: 105.4 degrees. Frank Langfitt/NPR hide caption

Poor Donna Reed: Her Mary would have ended up working in a library — shudder — if not for the matrimonial intervention of Jimmy Stewart's George Bailey. Happily, 1946's It's a Wonderful Life isn't the only lens through which pop culture assesses the worth of the institution and those who make it tick. RKO Pictures/Getty Images hide caption

Members of the audience argue before a town hall forum on the health care overhaul hosted by Rep. Jim Moran, D-Va., and former Democratic National Committee Chairman Howard Dean, in Reston, Va., on Aug. 25, 2009. Charles Dharapak/AP hide caption

Though you'd never see it listed on your monthly cable bill, nearly every channel you get has a secret price. iStockphoto.com hide caption

The Emmen Zoo's baboons last week, when they were looking so sad. Courtesy of the Emmen Zoo hide caption

The EPA requires that the wastewater streams show no obvious sheen and no solid deposits. But both were visible near oil fields on the Wind River Reservation in Wyoming. Elizabeth Shogren/NPR hide caption

Kai, seen here at age 16 at the Texas State Aquarium, recognized the whistle of another dolphin, Hastings, who he'd shared a tank with for years before the experiment. Kai is now 20. Courtesy of Jason Bruck hide caption