Medical workers at the John F. Kennedy Medical Center in Monrovia, Liberia, put on their protective suits before going to the high-risk area of the hospital, where Ebola patients are being treated, Sept. 3. Dominique Faget/AFP/Getty Images hide caption

A soldier guards a pipe en route to the Kawergosk Refinery near Irbil, the capital of the autonomous Kurdish region of northern Iraq, in July. Fighting in northern Iraq forced the closure of the country's largest oil refinery, Baiji, and cut production from the Kirkuk oil field this summer. Safin Hamed/AFP/Getty Images hide caption

Cyberstalking victims often don't know they're being tracked through their own phone because spyware apps like mSpy use misleading labels (labeled "android.sys.process" here) and don't take up much data. Aarti Shahani/NPR hide caption

Through the centuries, ketchup became a catchall word for a spiced sauce. my_amii/via Flickr hide caption

Alain Locke is buried at the Congressional Cemetery in Washington, D.C. He lies near many of the nation's early congressmen and next to the first director of the Smithsonian's Museum of African Art. Adam Cole/NPR hide caption

Army Command Sgt. Maj. Bennie G. Adkins receives the Medal of Honor during a ceremony at the White House. He describes the battle that earned him the medal as the toughest he saw in three tours of duty in Vietnam. Alex Wong/Getty Images hide caption

The clubhouse of the Royal and Ancient Golf Club of St. Andrews sits just off the first tee. The course itself is open to the public — women as well as men. But women have never been allowed to join the club since its founding in 1754, and are not allowed to enter the clubhouse, even as guests. Doug Tribou/NPR hide caption

The Iraqi National Symphony Orchestra performs in Baghdad. The concert was promoted by word of mouth to avoid being targeted by bombs. Graham Smith/NPR hide caption