Justice Antonin Scalia testifies before the Senate Judiciary Committee on Oct. 5, 2011. Alex Wong/Getty Images hide caption

Syria's ongoing fighting is increasingly a sectarian conflict with the majority Sunni Muslims facing off against the Alawites who make up most of the country's ruling elite. Here, government opponents rally in the northern town of Mareh on June 29. Vedat Xhymshit/AFP/Getty Images hide caption

Some young adults say their student loan debt affects their dating and marriage potential. A few have had partners break up with them over debt, while other couples forge ahead, but keep finances separate and avoid legal marriage. iStockphoto.com hide caption

Dr. Lisa Sterman holds up a Truvada pill at her office in San Francisco in May. Even before the Food and Drug Administration's approval, Sterman had prescribed Truvada for about a dozen patients at high risk for developing AIDS. Jeff Chiu/AP hide caption

Infinite Z, a tech company funded by the CIA's venture capital fund In-Q-Tel, has developed 3-D imaging technology that allows users to interact with holographic images. Courtesy of Infinite Z hide caption

Kenya has made its public schools free, which has dramatically increased the number of students. But this has also led to overcrowding. Here, four boys share a desk and a single textbook at the Amboni Secondary School in central Kenya. Courtesy of Turk Pipkin hide caption

Covey was a motivational speaker known for boiling down life practices that lead to action in a way that made it easy for people to understand. Ric Feld/AP hide caption

A studio portrait of Kitty Wells in the mid-'70s. Frank Driggs Collection/Getty Images hide caption