During a 2008 protest in support of death row inmate Troy Davis, people in Paris' Place de la Concorde hold signs urging clemency for Davis, convicted of killing a police officer in 1989.
Mehdi Fedouach/AFP/Getty Images
This artist's conceptual image shows the Upper Atmosphere Research Satellite, or UARS. After two decades in orbit, the satellite will make an uncontrolled re-entry into the Earth's atmosphere.
The Classic Future: Ridley Scott's Blade Runner, released in 1982, envisioned a cityscape with buildings wrapped in video displays — well before New York's Times Square went digital.
Warner Bros. Pictures
President Obama meets with Turkish Prime Minister Recep Tayyip Erdogan on Tuesday in New York City. The two men discussed the Palestinian issue only after reporters had left the room.
A supporter holds up a sign as former Alaska Gov. Sarah Palin speaks during the Tea Party of America's "Restoring America" event at the Indianola Balloon Festival Grounds in Indianola, Iowa.
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Jack Rickard and Brian Noto of EVTV are converting this replica 1966 AC Cobra to run entirely on batteries. The two host an online video series explaining how to convert a gas-guzzling road warrior into an all-electric vehicle.
Jacob McCleland for NPR
Anthony Grecco (from left) was discharged because of "don't ask, don't tell" and plans to re-enlist. Sue Fulton, a West Point graduate and former Army captain, now leads an organization of gay West Point graduates. Rob Smith says he left the Army because it was difficult living under the policy.