Professor of Physics, University of Maryland
Professor of Physics at the University of Maryland and blogger on science and public policy; author of Superstition: Belief in the Age of Sciencev
The Hubble and the Future of Space Exploration
36 MIN, 48 SEC
May 19, 2009
The Drought, Our Dwindling Water Supplies and the Need to Conserve
24 MIN, 17 SEC
Mar 18, 2015
Can Deliberate Plane Crashes Be Prevented?
52 MIN, 23 SEC
Mar 26, 2015
Is California's Initiative Process Broken?
24 MIN, 54 SEC
Mar 23, 2015
Can the Republican Congress Get Anything Done?
52 MIN, 1 SEC
Mar 24, 2015