In this two-hour special, NOVA takes viewers to the frontiers of evolutionary science. Over he last decade, an exciting field of biology has emerged to help explain how a small number of genes could be responsible for the vast variety of life we see in nature. This emerging field of evolutionary developmental biology, or "Evo-Devo," uses genetic methods to combine the study of evolution and biological development of single organisms and whole species. NOVA travels from the Galapagos Islands to Antarctica, from the Cambrian explosion of animal forms half a billion years ago to the research labs of today, where scientists find themselves able to explain at the genetic level the processes responsible for the complex development and vast diversity of life.
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