chemi- cal agents called cell adhesion molecules (CAMs). Just as CAMs create thousands of feathers in chickens, making no two feath- ers identical, so they create a multitude of subtly different neural networks in the brain.
The second stage occurs after birth, when the strengths of the synapses (be- tween the neurons) are modified sights, sounds, and other outside stimuli.
Ultimately, the workings of the brain are

Greenhouse Effect? "About

determined by "competition" among di...