Boys show off their four-legged friends at a rabies vaccination drive set up by the Serengeti Health Initiative in the Bariadi District of Tanzania. Anna Czupryna/Courtesy of Serengeti Health Initiative hide caption

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Daniela Chavarriaga holds her daughter Emma as Dr. Jose Rosa-Olivares administers a measles vaccination at Miami Children's Hospital. Joe Raedle/Getty Images hide caption

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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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Husain Abdullah of the Kansas City Chiefs scores a touchdown after an interception against the New England Patriots Monday. He was then penalized for praying on his knees — something the NFL now says shouldn't have been punished. Dilip Vishwanat/Getty Images hide caption

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Liberian physician Martha Zarway continues work in a temporary clinic while her original facility is disinfected. Tommy Trenchard for NPR hide caption

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Security personnel guard the entrance of a road leading to a trail on Mount Ontake in Nagano prefecture Tuesday, three days after the volcano erupted in central Japan. Jiji Press/AFP/Getty Images hide caption

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University of Illinois student Stanley Dayan (from left) and Chabad Jewish Center employees Mordy Kurtz and Yosef Peysin work at the center's kosher food stand in 2013 at the university's State Farm Center basketball arena in Champaign, Ill. David Mercer/AP hide caption

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Afghan National Security Adviser Mohammad Hanif Atmar (right) and U.S. Ambassador to Afghanistan James Cunningham exchange documents after signing the Bilateral Security Agreement, with Afghan President Ashraf Ghani (rear, left) and Chief Executive Abdullah Abdullah in the background. Jawad Jalali/EPA/Landov 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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