Dell is recalling 4.1 million Sony batteries used in its notebook computers. Lithium-ion batteries power most of our gadgets these days — and they're all susceptible to overheating. Janet Babin reports.
25 years ago today, IBM released its first personal computer. It was a moment that changed the world, in part because IBM used software from a little-known company called Microsoft. Host Kai Ryssdal looks back with computer maven Robert Cringely.
Microsoft today announces the winners of its annual Imagine Cup finals, a student technology contest. This year 200 finalists from more than 40 countries came to India to show off their software design skills. Miranda Kennedy has the story.