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On Tue, Feb 9, 2010 at 5:51 PM, Denver Fowler <df9465@yahoo.co.uk> wrote:
> A new study just published in the Proceedings of the National Academy of 
> Sciences provides yet more evidence that birds did not
> descend from ground-dwelling theropod dinosaurs, experts say, and continues 
> to challenge decades of accepted theories about the evolution
> of flight.

>From the article, it looks their beef is with the "ground-dwelling"
parting, not so much the "theropod dinosaurs" part.

> PNAS has recently published widely disputed (to put it mildly) papers on 
> venomous theropods, and arthropod-velvet worm hybridisation hypothesis on the 
> origin of larvae. Now this. Is peer review alive and well at PNAS?

T. Michael Keesey
Technical Consultant and Developer, Internet Technologies
Glendale, California