South Korean presidential candidate Moon Jae-in of the Democratic Party of Korea reacts to exit polls suggesting his victory, in the National Assembly in Seoul, South Korea, on Tuesday. Chung Sung-Jun/Getty Images hide caption

Killip Elementary third graders Alexa Cardenas (left) and Luis Gonzalez (right) are preparing for the chess SuperNationals. Laurel Morales/Fronteras hide caption

People attending Rep. Rod Blum's town hall event in Dubuque, Iowa, this week held up red sheets of paper to show disagreement with what the Republican congressman was saying and green to show they concurred. The GOP health care bill was a major concern of many. Scott Olson/Getty Images hide caption

Don't buy a car on the same day you test drive. The smell of a new car can have an intoxicating effect. Elaine Thompson/AP hide caption

The $25 million Labre Place in Miami was built using the low-income housing tax credit program. It's named for the patron saint for the homeless and is now home to 90 low-income residents, about half of whom were once homeless. Screenshot courtesy of Frontline (PBS) hide caption

Google wants to pump 1.5 million gallons of water per day to cool servers at its data center in Berkeley County, S.C. "It's great to have Google in this region," conservationist Emily Cedzo said. "So by no means are we going after Google ... Our concern, primarily, is the source of that water." Bruce Smith/AP hide caption

Carmen Black (left) took over a farm in Iowa last year. Don Bustos has been farming in New Mexico for decades. Maja Black/Courtesy of Carmen Black; Courtesy of Don Bustos hide caption

Linda Heuman, 53, receives her certificate of German citizenship from the German consul general in Boston, Ralf Horlemann. Robin Lubbock/WBUR hide caption

The U.S. Preventive Services Task Force says the risks of screening for thyroid cancer in people without symptoms outweigh the benefits. kaisersosa67/Getty Images hide caption

Composer Jerry Goldsmith, shown in 2000, wrote the scores for more than 200 films over a 50-year career. David Keeler/Getty Images hide caption