Fig. 2 (IMAGE) Institute for Basic Science Caption Timeline of hominin evolution and adaptation to various vegetation types. According to the new Science study, adaptation played a key role in the geographic expansion of our genus Homo. (Image credit: Elke Zeller. This work includes adapted images from HCRP-UR501 and Sangiran 17 by Gerbil, Bodo by Ryan Somma, and Daka Homo by Cretan used under CC BY 3.0 and DNH-134 from Herries, A.I.R. et al. Science 2020.) Credit Institute for Basic Science Elke Zeller Usage Restrictions Attribution Required License Original 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.