via The Scientist RSS https://ift.tt/3s1f6Kt A new analysis of fossil footprints suggests that the 2-meter-tall, 4- to 5-meter-long carnivores that left them could run nearly 45 kilometers per hour, bolstering the evidence that at least some dinosaurs were speedy, agile hunters. https://ift.tt/eA8V8J December 11, 2021 at 03:35AM