January 2013: The Year In Ideas

January 2013
January 2013Nick Kaloterakis

Letter From The Editor

By Jacob Ward

Features

Athletes in the U.S. suffer 3.8 million sports-related concussions each year. While helmet makers dither with small improvements, Swedish scientists have built something that could protect us all. By Tom Foster

** The Chinese government is rapidly building a bigger, more sophisticated military. Here's what they have, what they want, and what it means for the U.S.** By Peter W. Singer

** An at-a-glance summary of the year's 25 most important scientific events.** By Colleen Park, illustration and design by Headcase Design

PopSci predicts the top news stories of the next year. By Miriam Kramer, Taylor Kubota, and Colleen Park

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