A suspected pirate from Somalia looks around as he is escorted into federal court by U.S. marshals in Norfolk, Va., on Friday. A group of 11 suspected pirates were due to be arraigned and tried in the Norfolk federal court. Steve Helber/AP hide caption

itoggle caption Steve Helber/AP

A Sudanese policeman in the capital Khartoum patrols past an electricity pole covered in campaign posters as preparations continue for Sudan's multiparty elections. Voting begins Sunday. Nasser Nasser/AP hide caption

itoggle caption Nasser Nasser/AP

The cranium of a creature who lived around 2 millions years ago, and was probably between the ages of 9 and 13 when it died. Scientists say this new species, Australopithecus sediba, may be a direct human ancestor. Brett Eloff/Courtesy of Lee Berger and the University of the Witwatersrand hide caption

itoggle caption Brett Eloff/Courtesy of Lee Berger and the University of the Witwatersrand