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Mummified dinosaur yields cellular secrets

An extremely well-preserved fossil of a hadrosaur, found in North Dakota, still hold preserved cell-like structures.

They believe that the dinosaur fell into a watery grave, with little oxygen present to speed along the decay process. Meanwhile, very fine sediments reacted with the soft tissues of the animal, forming a kind of cement.

As a result, the 66 million-year-old fossil still retains some of the organic matter of the original dinosaur, mixed in with the minerals.

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