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Research on a 290-million-year-old fossil of the Acanthodes bronni, a primitive shark, has revealed that this extinct species may be the last common ancestor of all jawed vertebrates, including mankind. 
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A professor at Vassar College, Dr. Long and his team study real live sharks and their vertebral columns. They then takes these findings and design computer models and artificial vertebral columns to understand sharks' movement and biomechanics. Articles about ROBOTICS: http://www.scoop.it/t/science-news?tag=robotics
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