Hilary Sale and paper co-author Matthew Skinner pose at the Koobi Fora site in Kenya where they uncovered the ancient fossils.
Credit
Fred Spoor
Usage Restrictions
None
License
Licensed content
Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.