Russian councilman Jean Gregoire Sagbo speaks in the administration office in Novozavidovo, a village 60 miles north of Moscow, on July 20. As the first black man elected to public office in Russian history, he has been nicknamed Russia’s Obama, something he’s not too pleased about. Sergey Ponomarev/AP hide caption

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Katherine Hamilton during a 1981 hurdles race when she was a sophomore at Berkeley. Later that year, Hamilton quit the team and walked away from her sport, largely because of the prevalence of performance-enhancing drugs at the top levels of track and field. Courtesy of Martha Edwards hide caption

itoggle caption Courtesy of Martha Edwards

MIT researchers wore the Age Gain Now Empathy System -- a body suit and helmet -- to a grocery store to understand what struggles seniors might have while shopping. Courtesy of MIT's AgeLab hide caption

itoggle caption Courtesy of MIT's AgeLab

This 1905 steam engine powered factories in Holland, Mich., for more than half a century (with a four-year break during the Great Depression). It now sits as a monument to the city's industrial heritage. Scott Horsley/NPR hide caption

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An ethnic Uzbek mother and son wait at the Kyrgyz-Uzbek border outside the village of Suratash, Kyrgyzstan, on June 14. Uzbek and Kyrgyz alike are trying to make sense of ethnic violence that took place last month. Oxana Onipko/AFP/Getty Images hide caption

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Since the January earthquake, Luxon Fanfan now operates his barbershop in Port-au-Prince, from a street corner. Here, customer Cadelis Dennis gets a haircut. Tamara Keith/NPR hide caption

itoggle caption Tamara Keith/NPR