About the Authors

David Sloan Wilson

Affiliations Department of Biology, Binghamton University, Binghamton, New York, United States of America, Department of Anthropology, Binghamton University, Binghamton, New York, United States of America

Richard A. Kauffman Jr.

rkauffm1@binghamton.edu

Affiliation Department of Biology, Binghamton University, Binghamton, New York, United States of America

Miriam S. Purdy

Affiliation Regents Academy, Binghamton City School District, Binghamton, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DSW RAK MSP. Performed the experiments: RAK MSP. Analyzed the data: DSW RAK. Contributed reagents/materials/analysis tools: DSW RAK MSP. Wrote the paper: DSW RAK.