Apatosaurus had a 50-foot-long tail. (National Park Service Illustration / Bob Walters / Tess Kissinger) The dinosaur formerly known as Brontosaurus could certainly do a lot of damage with its long ...
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Some dinosaurs may have used their tails as a "weapon" which moved fast enough to break the sound barrier. That's the claim from scientists who have built an amazing model demonstrating the potential ...
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