Theoretical physicist Lawrence Krauss, director of the Origins Initiative at Arizona State University, talks with podcast host Steve Mirsky about neutrinos and gravity waves. And Cynthia Graber talks with Paolo Galluzzi, director of the newly reopened Museo Galileo, the science museum in Florence, Italy. Plus, we test your knowledge of some recent science in the news. Web sites related to content of this podcast include http://www.museogalileo.it

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