At the time, the discovery established that human ancestors had begun walking upright much earlier than previously thought, long before the evolution of larger brains.

Seeing such things, you feel the ancestors begin a slow roll in their extraordinary graves that can only gather momentum over the coming years.

Five thousand years ago, the ancestors of the modern inhabitants began to settle in this area.

We watched your slug-eating ancestors creep from their caves, and slowly, oh so slowly, begin to learn.

Other paleontologists contend that when early human ancestors began walking upright, their hands were freed for the manipulation and use of tools.

Some two million years ago our ancestors began to fashion stone tools and launched an evolutionary career which would ultimately have an impact on the entire planet.

She also concluded that the prints established that human ancestors had begun walking upright much earlier than previously thought.

As human ancestors began to make complicated tools, figuring out goals might not have been good enough anymore.

In Denison, people whose ancestors began settling the area more than 100 years ago have been forced out, almost family by family.

Penguins' ancestors probably began their evolutionary march while Tyrannosaurus rex walked the earth.