About the Authors

Chris N. Bayer

cbayer@tulane.edu

Affiliation AncientAncestors, New Orleans, LA, United States of America

Michael Luberda

Affiliation AncientAncestors, New Orleans, LA, United States of America

Competing Interests

The authors have declared that no competing interests exist. While the authors are affiliated with the AncientAncestors project, Michael Luberda as the co-founder and Director, and Chris N. Bayer as the co-founder, the project makes its materials, including our curricula, freely available and also provides support to biology teachers currently implementing the curriculum. The authors do not sell, or receive a commission from such sales, of hominin skulls sold for by skull manufacturers such as Bone Clones or Skulls Unlimited. The authors have volunteered their time and financing to get the project off the ground, and do not derive revenue from employment, consultancy, patents, products in development, marketed products, etc. related to their work with AncientAncestors. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CNB. Performed the experiments: ML. Analyzed the data: CNB. Contributed reagents/materials/analysis tools: CNB ML. Wrote the paper: CNB.