Program Details

Jennifer Ackerman is the author Sex Sleep Eat Drink Dream: A Day in the Life of Your Body. She writes for National Geographic magazine and the New York Times and is the author of two previous books.

Susan Freinkel, author of American Chestnut: The Life, Death, and Rebirth of a Perfect Tree, writes about science and medicine. Her work has appeared in Discover, Smithsonian, Reader's Digest, the New York Times, and other national publications. She lives in San Francisco.

Michael Sims is the author of Apollo's Fire and of Adam's Navel, which was a New York Times Notable Book and a Library Journal Best Science Book. He writes for the Washington Post, L.A. Times, and other publications.