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Next good dinosaur news likely to come from small packages

f bone powder to find molecular evidence," Ostrom said. "We have protein sequences from material believed to be in range of half a million years old. We are carefully working our way back in time."

She said it appears some proteins can endure longer than DNA. In a recent study Ostrom's students found that a protein in bone in an environment void of oxygen (say, if it's been resting in a swamp) can last for 200 hours at temperatures of 100 degrees Celsius.

"If we have a protein sequence from bone, we can tell if the material is an original part of the organism that will provide interesting information about its past. We can know where it came from." Ostrom said. "Our goal is to use a variety of technologies new to paleontology to develop a deeper understanding of prehistoric life -- and everyone dreams of embellishing our understanding of dinosaurs."


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Source:Michigan State University


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