15 : — The Culmination Of Two Million Years

We moved from mechanical power to computational intelligence. 3. The Final Frontier: Self-Directed Evolution

Our cranial capacity tripled, trading raw physical strength for the ability to process complex patterns and abstract thought. 15 : The Culmination of Two Million Years

We moved beyond simple signals to complex syntax, allowing us to pass knowledge across generations—a process called cultural evolution . 2. The Great Acceleration We moved from mechanical power to computational intelligence