A year ago, a white supremacist shot and killed six people at a Sikh temple in Oak Creek, Wis. Morry Gash/AP hide caption

A newspaper clipping from The Cincinnati Herald on Sept. 14, 1963, included a picture of Jack Hansan and other members of the Cincinnati delegation. Courtesy of Jack Hansan hide caption

Fox Ranch, outside Yuma County, Colo., is a 14,000-acre nature preserve and working commercial cattle ranch. The ranch is used by the Nature Conservancy to put into practice its panned grazing technique. Luke Runyon/Harvest Public Media hide caption

Sally O'Neill decided to have a double mastectomy rather than "do a wait-and-see." Richard Knox/NPR hide caption

This self-portrait of NASA's Mars rover Curiosity combines dozens of exposures taken by the rover's Mars Hand Lens Imager during the 177th Martian day, or sol, of Curiosity's work on Mars, plus three exposures taken during Sol 270 to update the appearance of part of the ground beside the rover. NASA/JPL-Caltech/MSSS hide caption