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A life-threatening mistake caused by tech-enabled multitasking prompts Harvard doctors to suggest you kick the habit, and learn to focus. Multitasking , you've probably already been warned, threatens your productivity

A note from the Editor in Chief: Scientific American is celebrating its 166th year. [More]

A note from the Editor in Chief: Scientific American is celebrating its 166th year. Given its history as the longest continuously published magazine in the U.S., it's probably no surprise that it has touched the lives and career paths of many readers--including the scientists who write articles for us and whose work we cover. So, as often happens, when I met Peter Norvig, director of research for Google, while we were serving as judges for the Google Science Fair , we got to chatting about Scientific American