First steps: how upright walking made us human

Introduction

The origin of upright walking. How we walk ; T. rex, the Carolina Butcher, and the first bipeds ; "How the human stood upright" and other just-so stories about bipedalism ; Lucy's ancestors ; Ardi and the River Gods

Becoming human. Ancient footprints ; Many ways to walk a mile ; Hominins on the move ; Migration to Middle Earth

Walk of life. Baby steps ; Birth and bipedalism ; Gait differences and what they mean ; Myokines and the cost of immobility ; Why walking helps us think ; Of ostrich feet and knee replacements

Conclusion: The emphatic ape.