Editor's note: This article is part of a special package written for the 50th anniversary of the discovery of a 3.2 million-year-old A. afarensis fossil (AL 288-1), nicknamed "Lucy." About 3.2 ...
"Lucy," our 3.2 million-year-old hominin relative, couldn't run very fast, according to a new study. But modeling her running ability has provided new insights into the evolution of human anatomy ...