Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...
Science writer Mary Roach returns to Bullseye. She joins us to talk about her latest book: Replaceable You: Adventures in ...
The human body is full of elegant designs that seem almost too perfect to be real. But once in a while, nature throws in a ...