Plesiosaurs Swam Like Penguins By Using Flippers Underwater Like penguins, prehistoric marine reptiles known as plesiosaurs used their front flippers to zoom through the water. The discovery may end the long-time debate about how this reptile swam underwater, scientists said. by Alyssa Navarro
Science Swimming Trick Of Jellyfish And Lampreys Holds Key To Better Underwater Robots by Rina Marie Doctor