Full Show: The Ripple Effect

We can thank one woman for a lot of the software still used today. A look back at the strides and struggles of Grace Hopper.

Clean energy seems to be on the tip of everyone’s tongue. So why doesn’t the U.S. invest in it more? Jay Whitacre explains the business behind renewable energy technology.

Ever notice the small pauses —  like “um” and “uh”  —  that pepper our daily conversations? They actually serve a purpose. We break down the rules of conversation.