There has been a recent push for humanist chaplains in the United States military. Around 13,000 active service members are atheist or agnostic. Here, U.S. Army soldiers bow their heads in prayer during Easter sunrise service at Camp Liberty in Iraq, in 2009. Marko Drobnjakovic/AP hide caption

itoggle caption Marko Drobnjakovic/AP

A new law in Georgia makes information about where the state got its supply of lethal injection drugs a secret. Ric Feld/AP hide caption

itoggle caption Ric Feld/AP

The remains of a tree are seen in front of a boulder in the Dome Wilderness area of New Mexico in August 2012. The Las Conchas Fire torched the land in 2011, burning through more than 150,000 acres of forest. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Narcotics officers in New York seized 3,586 pounds of cocaine and $1.3 million seized in 1997. Cocaine use in the U.S. has dropped by almost half since 2006. Gino Dominico/AP hide caption

itoggle caption Gino Dominico/AP

Jeff Caldwell, a chassis assembly line supervisor, checks a vehicle on the assembly line at the Chrysler Jefferson North Assembly plant in Detroit on May 8. Paul Sancya/AP hide caption

itoggle caption Paul Sancya/AP

Biologists normally look for the hellbender slamander, which is known by the nickname "snot otter," under rocks in streams. But now there's a gentler way: They can take water samples and look for traces of the animals' DNA. Robert J. Erwin/Science Source hide caption

itoggle caption Robert J. Erwin/Science Source

Howard Buffet on his 1,400-acre research farm in Wilcox, Ariz. Buffett, the son of billionaire investor Warren, is working to find permanent solutions to the world's hunger problems. Nick Oza for NPR hide caption

itoggle caption Nick Oza for NPR

Becca Besaw of Austin, Texas, and Christopher Robertson of Fort Worth, Texas, protest the state's new law restricting access to abortion at a rally in Dallas on July 15. Tony Gutierrez/AP hide caption

itoggle caption Tony Gutierrez/AP

Dead trees mark the path of the 2003 Winslow fire. Conservationists have considered the fire beneficial for the steppe habitat of the Centennial Valley. Smaller, contained fires like this one have been a crucial part of this ecosystem for thousands of years. John W. Poole/NPR hide caption

itoggle caption John W. Poole/NPR

The moon, seen from the International Space Station, on July 31. NASA hide caption

itoggle caption NASA

Researchers say it may be possible to temporarily reduce racial biases. Images.com/Corbis hide caption

itoggle caption Images.com/Corbis

An aircraft lays down a line of fire retardant between a wildfire and homes in the dry, densely wooded Black Forest area northeast of Colorado Springs, Colo., on June 13. John Wark/AP hide caption

itoggle caption John Wark/AP

Stephen Balaban has re-engineered his Google Glass to allow for facial recognition. Courtesy of Stephen Balaban hide caption

itoggle caption Courtesy of Stephen Balaban

Scientists could use recordings of wildlife to monitor the movements of invasive species like the European starling. Liz Leyden/iStockphoto.com hide caption

itoggle caption Liz Leyden/iStockphoto.com