Reuters has an absolutely fascinating profile of Zabulon Simintov, the last known Jewish person living in the entire country of Afghanistan. There were several thousand Jewish people in Afghanistan at the turn of the 20th century, but most of them (including Simintov's wife and daughters) eventually moved to Israel.
Maggie Koerth-Baker is the science editor at BoingBoing.net. She writes a monthly column for The New York Times Magazine and is the author of Before the Lights Go Out, a book about electricity, infrastructure, and the future of energy. You can find Maggie on Twitter and Facebook.