As late as the mid-twentieth century science and technology were celebrated as instruments of progress, but by the early twenty-first century they were viewed increasingly as threats to life on Earth. Vivek Wadhwa, Washington Post and Bloomberg Businessweek columnist, and Ahmed Zewail, winner of the 1999 Nobel Prize in Chemistry, discuss how science and technology may be managed to advance humanity. Recorded on 11/18/2012. (#24776)