<ul><li>Researchers have constructed a robot to test the biomechanics of plesiosaurs and understand how they swam.</li><li>Plesiosaurs, marine reptiles that lived during the time of dinosaurs, had long necks and small heads with pin-like teeth.</li><li>Using a robot, researchers discovered that plesiosaurs could swim with coordination between their four large flippers.</li><li>The findings from this study provide insights into the locomotion of extinct animals and may lead to understanding their lifestyles.</li></ul>

New “palaeo-robot” explains how plesiosaurs swam

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