The issue focused on the research team's study of the critical role of one set of genes in making and maintaining the central nervous system. The study's results have been published in the journal Science.

Eduardo Suárez, a professor of evolutionary biology at the University of California, Davis, and the study's lead author, said the study was "an important study of the evolution of the brain in our animal ancestors. It's the first study to show that the central nervous system is not a hom