How diving mammals evolved underwater endurance

Scientists have shed new light on how diving mammals, such as the sperm whale, have evolved to survive for long periods underwater without breathing.



via ScienceDaily: Anthropology News http://www.sciencedaily.com/releases/2013/06/130613142812.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily%2Ffossils_ruins%2Fanthropology+%28ScienceDaily%3A+Fossils+%26+Ruins+News+--+Anthropology%29