To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S2. A sidewinder rattlesnake performing a reversal turn. Modulation of orthogonal body waves enables high maneuverability in sidewinding locomotion Henry C. Astley, Chaohui Gong, Jin Dai, Matthew Travers, Miguel M. Serrano, Patricio A. Vela, Howie Choset, Joseph R. Mendelson, David L. Hu, and Daniel I. Goldman PNAS. 2015. 112:6200-6205 DOI: 10.1073/pnas.1418965112 Download Original Video Browse All Videos »