Andrew Berry is Lecturer in the Department of Organismic and Evolutionary Biology and an undergraduate advisor in the Life Sciences at Harvard University. He teaches in Harvard’s first-year Life Sciences program, as well as courses on evolution and Darwin. His research interests are in evolutionary biology and the history of science. He has coauthored two books: Infinite Tropics, a collection of the writings of Alfred Russel Wallace, and DNA: The Secret of Life, which is part history, part exploration of the controversies swirling around DNA-based technology.