By Jamie Condliffe

How do you work out if a creature that’s only preserved as rock sank or swam? You create a complex 3D model of its stricture using X-rays is how.

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Source:: http://feeds.gawker.com/~r/gizmodo/full/~3/n8Xyz0EegUI/peer-inside-the-x-ray-scan-of-a-creature-millions-of-ye-1697668534