At a Glance: Microsoft CEO Ballmer's ups and downs

Microsoft CEO Steve Ballmer announced on Friday that he plans to retire from the world's biggest software company after more than 13 years at its helm. Here's a look at the ups and downs of his tenure:

Microsoft says CEO Ballmer to retire in 12 months (Update)

Microsoft CEO Steve Ballmer, who helped Bill Gates transform the company from a tiny startup into the world's most valuable business, announced plans Friday to retire sometime in the next year—a move that presents another ...

Researchers perform DNA computation in living cells

(Phys.org) —Chemists from North Carolina State University have performed a DNA-based logic-gate operation within a human cell. The research may pave the way to more complicated computations in live cells, as well as new ...

Carlos Slim invests $40 mn in Shazam music app

Mexican telecoms tycoon Carlos Slim has acquired a 10.8 percent stake in Shazam, the British company behind a music recognition smartphone application that instantly identifies songs and artists.

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