More on the Stretched-Rubber Theory of Body Plans

Earlier, we commented on news from scientists with the French National Centre for Scientific Research (CNRS). They sought to answer among other fascinating questions, "How has evolution produced a structure as complicated as a vertebrate?" Vertebrates appear initially in evolutionary history in the Cambrian explosion when, to judge from the fossil record, most known animal body plans spring into existence. In dispelling the enigma of the Cambrian event, this research does not seem to hold ou...