Time magazine's Feb. 3 special cover article on "How a Child's Brain Develops" reports at length on the work of two Berkeley scientists, neurobiologists Carla Schatz and Corey Goodman.
In the opening paragraph of the special report, Schatz describes the brain cells in a developing embryo calling to nearby cells "almost as if they were autodialing." They're transmitting coordinated waves of neural activity.
Later in the article, it states, "...no recent finding has intrigued researchers more than the results reported in October by Corey Goodman and his Berkeley colleagues."
It goes on to note work done on how axons from motor neurons in a fly's central nerve cord establish connections with muscle cells in its limbs.