Scientists work out the weight of a famous Stegosaurus

March 4, 2015 2:05 PM

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Paleontologists wish they could be so rude as to walk up and ask a dinosaur her weight. Traditionally, they've guessed the mass of the long-dead dinos by making estimates based on the size of the bones in their thighs and upper arms. That has proved to be as accurate as they can get -- until now.

Because the Natural History Museum of London's Stegosaurus stenops (nicknamed Sophie) is the most complete in the world, scientists were able to use 3-D scanning to make a new estimate of her weight.

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