A big difference between humans and other apes is the ability to stride easily on two feet. A new analysis of fossil bones shows that adaptations for bipedal walking go back 7 million years.

A new analysis reveals clues about when primates started walking on two feet

Hear KUOW and NPR award-winning hosts and reporters from around the globe present some of the nation's best reporting  of the day's events, interviews, analysis and reviews.

Hear KUOW and NPR award-winning hosts and reporters from around the globe present some of the nation's best reporting of the day's events, interviews, analysis and reviews.

Share A new analysis reveals clues about when primates started walking on two feet

Sign up to save your podcasts

A new analysis reveals clues about when primates started walking on two feet

A new analysis reveals clues about when primates started walking on two feet