Syrian refugees gather amid olive trees in an area controlled by the rebel Free Syrian Army, in northern Syria near the Turkish border, on Sept. 25. The area has become a way station for Syrian refugees pushed out of neighboring Turkey. Michel Moutot/AFP/Getty Images hide caption

James Meredith at the University of Mississippi in 2006, as the school dedicated a bronze statue in his likeness on campus. Robert Jordan/AP hide caption

Both President Obama and rival Mitt Romney say the tax code is too complicated. But they haven't been specific about which tax breaks they want to eliminate. Tim Boyle/Getty Images hide caption

An advertisement for then-presidential candidate Barack Obama appeared in the Xbox 360 Live version of the video game Need for Speed: Carbon in 2008. Again this year, Obama is advertising in video games. AP/Electronic Arts Inc. via Obama campaign hide caption

Composer Abby Aresty recorded the sounds of a Seattle arboretum and mixed them into seven compositions that are now playing throughout the park. Courtesy of Abby Aresty hide caption

Sen. Jon Tester, D-Mont., (center) campaigns at a parade Saturday in Belgrade, Mont. Martin Kaste/NPR hide caption

Supporters of Cambodian journalist Mam Sonando protest outside a Phnom Penh courthouse on Monday, when judges sentenced him to 20 years in jail for leading an alleged secession movement. Critics say the pro-democracy activist's case was politically motivated. Anthony Kuhn/NPR hide caption

Researchers are increasingly using cloud computing to discover new drugs and medical treatments. Cloud computing is often cheaper and quicker than in-house computing. iStockphoto.com hide caption

Transsexuals Maiamar Abrodos (right) and Maria Laura Aleman arrive at the civil registry to begin the legal process to change their genders in Buenos Aires, Argentina, in June. Natacha Pisarenko/AP hide caption