Teacher Joshua Weinstein at the controls of a Cessna 172 Skyhawk above northern New Jersey. He says he wanted to be a pilot since he was in first grade. Elissa Nadworny/NPR hide caption
A Kenyan senior citizen leans on his cane. As people age in parts of Africa, they report declining levels of satisfaction with their life. Roberto Schmidt/AFP/Getty Images hide caption
Being born too soon can set a child back for a lifetime. Jennifer Coate/AP hide caption
Homeless advocate Arnold Abbott, 90, director of the nonprofit group Love Thy Neighbor Inc., prepares a salad in the kitchen of The Sanctuary Church, Wednesday, Nov. 5, 2014, in Fort Lauderdale, Fla. Abbott was recently arrested, along with two pastors, for feeding the homeless in a Fort Lauderdale park. Lynne Sladky/AP hide caption
1st Lt. Alonzo Cushing, shown in an undated photo provided by the Wisconsin Historical Society, is expected to get the nation's highest military decoration -- the Medal of Honor -- this summer, nearly 150 years after he died at the Battle of Gettysburg. Wisconsin Historical Society/AP hide caption
Oil, carried here by the Trans-Alaska Pipeline, is fundamental to the state's economy. But Alaskans also face the effects of climate change in their daily lives. Al Grillo/AP hide caption
BJ Leiderman is the composer of the theme music heard on NPR's Morning Edition, Weekend Edition and Wait Wait...Don't Tell Me! Courtesy of Cole Rian: Jen Haynes & Mel Wils hide caption
John Harris makes a weld for a test during a welding class at Spartanburg Community College in Spartanburg, S.C., on Oct. 22. Mike Belleme for NPR hide caption
The Smithsonian's Jon Blundell scans the fossilized foot bone — the metatarsal — of the Wankel T. rex to help create a digital 3-D image of the long-dead dinosaur. Nikki Kahn/The Washington Post hide caption
Chevron Corp. supported several candidates in Richmond, Calif., where the company has been hoping to modernize a large oil refinery, seen here in 2010. None of the Chevron-backed candidates were elected. Paul Sakuma/AP hide caption
Marcus Lattimore retired from the NFL Wednesday, ending his hopes of returning from a knee injury to play for the San Francisco 49ers. Jason O. Watson/Getty Images hide caption
Berkeley's efforts to pass a penny-per-ounce tax on sugary drinks faced opposition with deep pockets — but it also got sizable cash infusions from some big-name donors. Justin Sullivan/Getty Images hide caption
Members of the activist group ACT UP, which has fought for the rights of people with AIDS, held a demonstration in New York's Times Square in 1992. Andrew Savulich/AP hide caption
Air Force personnel put up tents to house a 25-bed, U.S.-built hospital for Liberian health workers sick with Ebola in Monrovia, Liberia's capital. The hospital is scheduled to open this weekend. John Moore/Getty Images hide caption
Participants in an ethical hacking contest at a Swiss security conference in Geneva in March. So-called bug bounty programs are becoming very popular in Silicon Valley's high-tech sector. Salvatore Di Nolfi/EPA/Landov hide caption