Research Interests

I am a Professor and University Scholar in the Department of Biology at The University of Louisville. My main areas of research interest are the evolution of social behavior, and the history of science.

I have had the privilege of speaking at over 125 major universities all around the world including, Oxford University (England), Cambridge University (England),   Harvard University,  The University of Copenhagen (Denmark), The University of Havana (Cuba), The University of Helsinki (Finland), The National University of Mongolia (Mongolia), The University of Zagreb (Croatia), Charles University (The Czech Republic), Uppsala University (Sweden), The University of Groningen (Holland), National Taiwan University (Taiwan), The University of Otago (New Zealand), The London School of Economics (England), Harvard,  Cornell University,The University of Chicago, , and many others. I am an occasional contributing author to Scientific AmericanSlate MagazineThe New ScientistNewsdayCerebrumBioScience, Psychology Today and The Wilson Quarterly.

I am the author of over 150 articles on evolution and behavior in such journals as Nature, The Proceedings of the National Academy of Sciences and The Proceedings of The Royal Society of London. I've published three books on the evolution of cooperation: Cooperation among Animals: An Evolutionary Perspective, Oxford University Press, 1997. Cheating Monkeys and Citizen Bees, The Free Press, 1999. The Altruism Equation: Seven Scientists Search for the Origins of Goodness, Princeton University Press, 2006. These books have been translated into German, Chinese, Korean and Japanese and Spanish.

I am also the author of two textbooks: 1) Principles of Animal Behavior (W.W. Norton, 1st edition, 2004, second edition, 2009, 3rd edition, April 2013). 2) Along with coauthor, Carl Bergstrom, , Evolution (WW Norton, 1st edition, 2012; 2nd edition, 2016).  

I have also written a number of popular books, including Mr. Jefferson and the Giant Moose (The University of Chicago Press, 2009) and The Prince of Evolution (2011).