Genius Will StrikeBut you've gotta leave your gadgets at home.
The Proof: After a four-day hike sans technology, people did 50 percent better on a creativity test. University of Utah researchers say an hour of nature time yields some bennies, if you unplug. Smarter without a smartphone.
Stupid-High EnergyNature is your new venti skim latte.
The Proof: Just 20 active minutes outside can wake up your body and mind, making you feel more alive, University of Rochester researchers say. And it doesn't cost you $4.
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Um, Fewer Germs!What you don't have to stress about when sweating alfresco: a gross staph infection.
The Proof: Ten percent of gym surfaces tested positive for the bacteria in a Virginia Commonwealth University study. Ewww.
You'll Zen OutYou know that sense of peace you get jogging in a park? Not your imagination.
The Proof: Exercisers reported being less tense and tired, and calmer, during any activity done outside rather than in, probably because those surroundings felt more serene, a Santa Clara University study notes.
Stay in shape in a fitness class.