Will we ever understand the true nature of dark matter and dark energy? Harvard cosmologist Lisa Randall considers these and other great mysteries in physics.
Intelligent. Optimistic. Curious.
Audio
Mark Brend tells Anne Strainchamps about odd inventions like the Ondes Martenot and how composers have used them.
Peter Bebergal and Scott Korb are writers who became friends around such secular interests as sex, rock-n-roll and popular culture. Then they discovered they're both alive to the search for God and their friendship deepened.
He talks about his new CD, "Sorry We're Open," and his future projects.
Lupe Fiasco is a rap star and a devout Muslim. His debut album is called "Food and Liquor" and was nominated for 3 Grammy Awards.
Piers Steel describes himself as a semi-reformed procrastinator. He is an authority on the science of motivation and teaches at the University of Calgary.
NPR's Robert Krulwich, co-host of RADIOLAB, says that the secret to good science reporting is to start at the beginning and go slowly so people can understand it.
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