sciencehabit writes "Lufengosaurus, a long-necked, plant-eating dinosaur that lived in China during the Jurassic period, were the biggest animals of their age, measuring 30 feet long. Now, fossilized embryos reveal that they were also the fastest growing animals on record — 'faster than anything we have ever seen,' according to one researcher. What's more, researchers have found traces of organic matter in their bones, which may belong to the oldest fossil proteins ever found."
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