Approved

Robotic flippers reveal how plesiosaurs swam

Plesiosaurs roamed Earth’s oceans for nearly 150m years, until their extinction 66m years ago. They were propelled by four equal-sized flippers, unlike any animal alive today. A question that has long bothered palaeontologists is, did all four flap up and down, or were they rowing rather than flapping, or did Read more…

By admin, ago