Hot yoga, power yoga, acro yoga, yogalates, even hula hoop yoga…with Western takes on Downward Dog everywhere you look, it’s easy to forget where, when and why the ancient practice originated. Yoga: The Art of Transformation, a new exhibition at the Arthur M. Sackler Gallery at the Smithsonian, explores yoga’s transformative powers with visual art and ephemera from the second century CE to the mid-20th century. The exhibition includes 133 objects including stone, bronze and marble sculptures, paintings, illustrated manuscripts, a scroll, photographs, films, books and printed materials, posters and postcards and examines yogic philosophy and its role in the Jain, Buddhist, and Sufi and Hindu traditions. One word: Namaste. Through Jan. 26, 2014. http://www.asia.si.edu.