The Human Edge series from NPR explores how evolution gave us the advantages that made us who we are.

As scientists piece together the best picture yet of how evolution created modern humans, NPR highlights key attributes that gave us the competitive advantage over other species and explores how we acquired these characteristics, skills and abilities.

This series airs weekly on NPR's Morning Edition with occasional reports on All Things Considered, starting Monday, July 5. Morning Edition is heard weekdays from 6 - 9 a.m. and All Things Considered is weekdays from 3:30 - 6:30 p.m. on KUAZ 89.1 FM and 1550AM. View a complete schedule of KUAZ programming on the Radio page of the Arizona Public Media website.

The Human Edge: Feet
Morning Edition, Monday, July 19
Chris Joyce takes a close up look at our very special feet. Without the changes that make our foot very different from a chimpanzee's, we would not be able to walk, run and and migrate around the world.

The Human Edge: Running
All Things Considered, Monday, July 19
Walking upright is among the most human of skills; some say it's the first thing that set us apart from fellow primates. But as Chris Joyce reports, leading anthropologist and marathon runner Dan Lieberman believes it's running that really makes us different.

The Human Edge: Hands And Tools
Morning Edition, Monday, July 26
Chris Joyce reports.

The Human Edge: Guts, Teeth And Fire
Morning Edition, Monday, August 2
What were the big changes that propelled us to become the dominant species on the planet? Our feet, our hands, our teeth, our shoulders -- even our gut -- changed over time and led to the evolution of modern humans. Chris Joyce reports.