Tuesday, August 28, 2007


It turns out that the dinosaur hemoglobin mentioned in a previous post is not accurate. It was actually heme, an iron isotope, with a few detached globin amino acids. Heme, however, is supposed to last for approximately 10,000 years according to laboratory observation, still a long ways from the 65 million needed. The author of the study, however, argues that this does not demonstrate that the bones are not of such great age, but that under rare conditions, in which this bone was assumed to be based on the fact that they were preserved, it does last longer.


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