NEW YORK (GenomeWeb) – Two recent studies have determined that proteins can be preserved in fossilized samples for far longer than previously thought possible.

Working independently, groups led by researchers at North Carolina State University and Taiwan's National Central University have found collagen peptides in dinosaur remains believed to be 80 million and 195 million years old, respectively. In the latter case, the findings push back by more than 100 million years the length of time over which protein has been found to be preserved.

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