Refugees line up to apply for asylum at a reception center in Berlin, Germany. Figures released last week showed that about 180,000 asylum applications were filed in the first six months of 2015, more than twice as many as in the same period last year. Markus Schreiber/AP hide caption

itoggle caption Markus Schreiber/AP

Boosters of Kazakhstan's bid for the 2022 Winter Olympics rally in Almaty as they wait for word of whether their city won. It didn't, forcing Kazakhstan back to the drawing board for ways to achieve international recognition. Corey Flintoff/NPR hide caption

itoggle caption Corey Flintoff/NPR

A woman receives the rVSV-ZEBOV Ebola vaccine at a clinical trial in Conakry, Guinea. The vaccine appears effective after only one shot. Cellou Binani/AFP/Getty Images hide caption

itoggle caption Cellou Binani/AFP/Getty Images

A Marine Corps F-35B Joint Strike Fighter does a short takeoff (STOVL) from Patuxent River Naval Air Station, Md., in 2011. Eighteen years after development began, a version of the plane designed for the Marine Corps is expected to be deemed "combat ready." Cliff Owen/AP hide caption

itoggle caption Cliff Owen/AP

Using a digital device that displays Braille characters, Haben Girma talks with President Obama at a White House ceremony marking the 25th anniversary of the Americans with Disabilities Act. White House photo/Courtesy of Haben Girma hide caption

itoggle caption White House photo/Courtesy of Haben Girma