This essay is from In the Light of Evolution: Essays from the Laboratory and Field, edited by Jonathan Losos (Roberts and Company Publishers, ISBN# 9780981519494). Other contributors include: Janet Browne, James Curtsinger, Carl Zimmer, Daniel E. Lieberman, Jonathan B. Losos, Edmund D. Brodie III, Naomi E. Pierce and Andrew Berry, Luke Harmon, Douglas Emlen, Marlene Zuk and Teri J. Orr, Michael J. Ryan, David Reznick, David Queller, Axel Meyer, Hopi E. Hoekstra, Ted Daeschler and Neil Shubin, and Harry W. Greene, with a foreword by David Quammen.
