New research offers compelling evidence that a well-connected core brain network based in the lateral prefrontal cortex and the posterior parietal cortex -- parts of the brain most changed evolutionarily since our common ancestor with chimpanzees -- contains "flexible hubs" that coordinate the brain's responses to novel cognitive challenges.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/m0AKQNK6U48" height="1" width="1"/>
