Anatomy analysis suggests new dinosaur family tree

Anatomy analysis suggests new dinosaur family tree

Anatomy analysis suggests new dinosaur family tree The standard dinosaur family tree may soon be just a relic. After examining more than 400 anatomical traits, scientists have proposed a radical reshuffling of the major dinosaur groups. The rewrite, reported in the March 23 Nature, upsets century-old ideas about dinosaur evolution. It lends support to the accepted idea that the earliest dinosaurs were smallish, two-legged creatures. But contrary to current thinking, the new tree suggests that these early dinosaurs had grasping hands and were omnivores, snapping up meat and plant matter…

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Scientists use high-tech scans to study T. rex’s little arms

Scientists use high-tech scans to study T. rex's little arms

Scientists use high-tech scans to study T. rex’s little arms Scientistis :Tyrannosaurus rex was big and ferocious, but it also had tiny arms. That amusing fact has been fodder for an Internet meme mocking the creature’s little arms— the prehistoric predator probably couldn’t even do things like clap its hands, for example. Now, new research is focused on better understanding the T. rex’s little arms. Scientists* took an arm off a T-rex called SUE from the Field Museum in Chicago for an intense scan at Argonne National Laboratory, part of the…

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