Preparing infrastructure for earthquakes
03/11/11 National Public Radio — The Japanese have invested heavily in infrastructure and buildings designed to withstand quakes. To better understand the structural precautions Japan had in place during Friday's 9.0 earthquake and whether the U.S. employs similar technology and building codes, host Robert Siegel talks with Stephen Mahin, professor of structural engineering at UC Berkeley and director of the Pacific Earthquake Engineering Research Center.