3min chapter

In Our Time: Science cover image

Homo erectus

In Our Time: Science

CHAPTER

Is the Rive Valley Important?

Two million years ago, homorectus appears on the landscape for the first time with a brain capacity 80 % bigger than those earlier ancestors. To get to humans a bit later, they've been around for million years. They've spread out into asia. And about 800 thousand years ago, we have homo heidelberg ensis that evolves in ethiopia. But why in that place, you've got about oarly 50 kilometers beween one extreme terrain and another. For us to revolve, we needed two things. One, social pri had to be in africa. Tick we got that. And then we had to have a forcing factor. We needed things

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