Some potential new Ebola drugs will be tested at treatment centers like this one run by Doctors Without Borders near Monrovia. John Moore/Getty Images hide caption

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Pro-independence Catalans protest in front of a Spanish government delegation in Barcelona Monday, after Spain's Constitutional Court suspended an independence referendum called by Catalonia. Josep Lago/AFP/Getty Images hide caption

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Tom Worden works on a fixed-abrasive grinding table at Exelis Inc. in Rochester, N.Y. Exelis is an aerospace and defense company, and employs numerous former Kodak workers in its facility. Mike Bradley for NPR hide caption

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Archaeologists inspect a female figurine inside a recently discovered, fourth-century B.C. tomb, in the town of Amphipolis, northern Greece on Sept. 7. The occupant of the tomb is unknown, but there's speculation that it could be someone who was closely linked to Alexander the Great. Greek Culture Ministry/AP hide caption

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California has become the first U.S. state to define when "yes means yes" in sexual assault cases on college campuses, after a bill sponsored by state Sen. Kevin de Leon was signed into law Sunday. Rich Pedroncelli/AP hide caption

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Mike Trout and Los Angeles Angels have been named favorites to reach the World Series, as have Clayton Kershaw and the Los Angeles Dodgers. They're seen here when the two teams played in August. Matt Brown/Angels Baseball LP/Getty Images hide caption

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Gunnar Bragi Sveinsson, Minister for Foreign Affairs of Iceland, speaks during the 69th session of the United Nations General Assembly at U.N. headquarters on Monday. Seth Wenig/AP hide caption

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As the mayor of Cali, Colombia, epidemiologist Rodrigo Guerrero (left) meets with the police once a week to review murder statistics. Courtesy of Prensa Alcaldía de Calí hide caption

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The rendering industry likes to call itself the world's oldest recycling system. Nearly 100 percent of processed pigs will eventually get used — as meat and in uses as varied as medicine and pet food. iStockphoto hide caption

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Dr. Allan Ropper speaks with residents and fellows as they do rounds at the neuroscience intensive care unit at Brigham and Women's Hospital in Boston. M. Scott Brauer for NPR hide caption

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Ashraf Ghani (second from left) stands next to Afghanistan's Chief Executive Abdullah Abdullah (left) and two deputy officials as he takes the oath during the inauguration ceremony at the presidential palace in Kabul on Monday. Ahmad Massoud/Xinhua/Landov hide caption

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A group of Swedish scientists who are fans of Bob Dylan's music made a bet 17 years ago to see who could work more of the folk singer's song lyrics into their scholarly articles. AP hide caption

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