Watch

Ancient Human Ancestors: Walking in the Woods

04/09/14 | 3m 47s | Rating: NR

When did we start walking exclusively on two legs, and how did this transition take place? Neil Shubin pays a visit to Tim White and Owen Lovejoy, two anthropologists working together to understand "Ardi," a 4.4-million-year-old fossil that sheds light on our transition to bipedalism.

FacebookRedditGoogle ClassroomEmail
Donate to Sign Up

Make your membership gift today

Activate Account

Only for new users: Activate Passport using your code or email address

Sign in to Passport

Already a member?
Look up my account

Need some help? Go to FAQ or visit PBS Passport Help

Need help accessing PBS Wisconsin anywhere?

Need help accessing PBS Wisconsin anywhere?