April 21, 2007: Physics and Cosmology - Janna Levin

Art Bell welcomes physicist Janna Levin, professor of physics and astronomy at Barnard College of Columbia University, for a wide-ranging exploration of whether the universe is finite or infinite. The evening begins with open lines as callers weigh in on the Virginia Tech tragedy, top conspiracies, and whether alien civilizations would contact humanity given its violent tendencies. Art reads from reports about mass shootings becoming more common since the 1960s and a Swedish physicist… Full show notes & guests: https://artbellarchive.org/episode/april-21-2007-physics-and-cosmology-janna-levin