The SmartMat is a responsive yoga mat that seeks to improve one's yoga practice. Microsensors embedded in the mat record and provide adjustments to the user in real time. Courtesy of SmartMat hide caption
If it weren't for B.K.S. Iyengar, yoga wouldn't be quite as popular in the West. This photo of the yogi, who died this week at 95, was taken in Karnataka, India on May 3, 2005. Hemant patil/Corbis hide caption
Yoga may be more than just an exercise. In Maryland, doctors are learning how to use yoga instead of drugs to treat various medical problems. iStockphoto hide caption
People practice yoga at a fundraiser for a breast cancer foundation in Hong Kong. Ed Jones/Getty Images hide caption
Great-looking guns and lower diabetes risk, a nice twofer. iStockphoto hide caption