Windows A yard is nice, but if you don't have one, big windows or a balcony also offer an emotional lift. "Just being able to see how the weather is and knowing what's out there relaxes people and makes them feel more in control," says Zeisel.
Sages going back to Socrates have offered advice on how to be happy, but only now are scientists beginning to address this question with systematic, controlled research. Here, leading scientists reveal what it takes to be happy.
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."