Dean Radin, PhD, is the author of Entangled Minds and The Conscious Universe. For more than two decades he has been engaged in research on the frontiers of consciousness. He has held appointments at Princeton University and several Silicon Valley think tanks, including SRI International, where he worked on a classified program investigating psychic phenomena for the U.S. government. Visit http://www.deanradin.com/ and follow @deanradin.