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Posted by: DWA 04/27/2008, 12:29:43  (About author)
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Fully understanding the intricacies of particle behavior on the atomic level will open many doors, such as my favorite obsession, more efficient energy generation, eventually harnessing the sun for astronomical-scale purposes. I still expect a mystery at the end of the Bose-Einstein condensate tunnel, however.
While we wait suspensefully for the next issue of Science showing the presumptive infallibility of scientific micro-community speculations (t. rex ancestor chicken, chuckle): Besides rigid shells for soft tissue, what would yourself see as a life-enhancer, Frank? Are there, and if so, what are the probable projectable limits to "evolution". Actually, I see a refreshing churn of various new, even disorderly directions of scientific opinion there, not only allowing and casting doubts in the Darwinian orbits. Such as, one side projecting that the acidifying ocean will dissolve all of the coral, and someone else empirically seeing it otherwise, neither one microscopically visualizing the many possibilities hidden in the DNA based intelligent acting life, possibly to drop the beer can momentarily, and to capitalize on the changes.
http://www.sciencemag.org/cgi/content/short/320/5874/312 The abstract on T. Rex doesn't seem to go as far as the sycophantic AP reporter did.
Science 25 April 2008:
Molecular Phylogenetics of Mastodon and Tyrannosaurus rex Chris L. Organ,1,2 Mary H. Schweitzer,3,4 Wenxia Zheng,3 Lisa M. Freimark,5 Lewis C. Cantley,5,6 John M. Asara5,6* "We report a molecular phylogeny for a nonavian dinosaur, extending our knowledge of trait evolution within nonavian dinosaurs into the macromolecular level of biological organization. Fragments of collagen 1(I) and 2(I) proteins extracted from fossil bones of Tyrannosaurus rex and Mammut americanum (mastodon) were analyzed with a variety of phylogenetic methods. Despite missing sequence data, the mastodon groups with elephant and the T. rex groups with birds, consistent with predictions based on genetic and morphological data for mastodon and on morphological data for T. rex. Our findings suggest that molecular data from long-extinct organisms may have the potential for resolving relationships at critical areas in the vertebrate evolutionary tree that have, so far, been phylogenetically intractable." |
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