Muddy footprints left on a Kenyan lakeside ... erectus appeared to be walking similar to how modern humans walk – striking the ground heel first, then rolling weight over the ball of the foot ...

Adjusting the way they walk to the changing terrain allows the robots to navigate grounds with changing properties, yet some types of natural terrains have remained unconquered. „Muddy and ...

WASHINGTON (AP) — Muddy footprints left on a Kenyan lakeside suggest two of our early human ... erectus appeared to be walking similar to how modern humans walk – striking the ground heel first, then ...

WASHINGTON (AP) — Muddy footprints left on a Kenyan ... erectus appeared to be walking similar to how modern humans walk – striking the ground heel first, then rolling weight over the ball ...