© All Rights Reserved 2026 | Privacy Policy
Tax ID / EIN: 23-7441306
Skyline of Las Vegas
Real news. Real stories. Real voices.
Donate
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations
Supported by

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

By Nell Greenfieldboyce
Published January 2, 2026 at 1:32 PM PST

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.

Copyright 2026 NPR
Tags
All Things ConsideredScience
Nell Greenfieldboyce
Nell Greenfieldboyce is a NPR science correspondent.
Related Content
The Dining Issue
Sink your teeth into our annual collection of dining — and drinking — stories, including a tally of Sin City's Tiki bars, why good bread is having a moment, and how one award-winning chef is serving up Caribbean history lessons through steak. Plus, discover how Las Vegas is a sports town, in more ways than one. Bon appétit!