In terms of simple capacity, and maybe raw processing power, we actually passed "peak brain" tens of thousands of years ago. But we've been able to evolve smaller, more efficient brains by externalising intelligence in our tools, words and the design of our habitats. And in each other. | In terms of simple capacity, and maybe raw processing power, we actually passed "peak brain" tens of thousands of years ago. But we've been able to evolve smaller, more efficient brains by externalising intelligence in our tools, words and the design of our habitats. And in each other. |