Israeli Air Force cadets trained to pay attention to specific aspects of a video game performed better in actual flight than others who just played the game, one study showed. "Focusing on each task's relative importance allows you to allocate your resources for maximum efficiency," says Poldrack.
Declutter your life! Our March issue features a complete guide to streamlining your life, from Peter Walsh's 30-Day Organization Challenge to innovative ways to clear your mind. Plus, go behind the scenes of Oprah's yard sale and find out how you can improve the world with a simple "hello."