A GPS that speaks in street names
Staring at your GPS unit's pretty maps while driving is a bad idea, but the spoken directions ("Turn left in 600 feet") often aren't clear enough to steer by. The Garmin 2720 is the first navigation system that can call out actual street names ("Turn left on Maple Street"). With the optional traffic receiver incorporating Clear Channel Broadcasting's real-time traffic data into your maps, it'll even talk you around any upcoming jams. $1,185
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Inside NASA's astronaut bootcamp and the grueling new training regimen for deep space. Plus, ten young geniuses shaking up science today, one writer's quest to analyze every man-made chemical in her body and more.
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