What does it mean to be bipedal? How do we know what we know about this process in our own human lineage? How important is the continued reevaluation of fossil remains, and old hypotheses? To help answer these questions, we have the author of the new book First Steps: How Upright Walking Made Us Human, Jeremy DeSilva Credits Edited and Mastered: James Reed Excerpt from First Steps: How Upright Walking Made Us Human By: Jeremy DeSilva Published By: Harper Collins Publishers, New York 2021 Music Earth Prelude by Kevin MacCleod | https://www.youtube.com/c/kmmusic/featured Standard YouTube License Germ Theory by Jeremy Korpas | https://www.youtube.com/watch?v=5hviZFT06YI Standard YouTube License Outlaw’s Farewell (Part I) by Reed Mathis | https://www.youtube.com/channel/UC2lHxFyHL96NPhdU9XyXnPQ Standard YouTube License www.scinight.com