The Secret’s in the Neurons

Not much substance to these articles, but they point to interesting phenomenon.

The Secret’s in the Neurons - New York Times: "Groundbreaking spinal cord studies have shown that during development, certain proteins are released at ventral and dorsal sides of the cord, and their concentrations decrease across the cord. These protein gradients have been shown to play a role in the differentiation of nerve cells — what kind of cells form where."