A mouse embryo grows from stem cells made by stressing blood cells with acid. The blood cells are tagged with a protein that creates green light.
Courtesy of Haruko Obokata
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Gas flaring near Highway 85 southwest of Williston. Analysts estimate that almost 30 percent of the gas being produced in the state is burned off.
Jeff Brady/NPR
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Cameron (left) and Tyler Winklevoss testified Wednesday at a hearing about virtual currencies held by the New York Department of Financial Services.
Craig Ruttle/AP
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Elite athletes at Team Academy keep up their education in classrooms like this one; their training facilities are downstairs in the same building.
Sarah Brunson/USSA
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