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Archaeopteryx May Have Devolved from a Flying Bird
November 12, 2013
In all the debates about the status of Archaeopteryx between reptiles and birds, no one till now expected this wild idea: it lost its ability to fly.
Dinosaur Evolution Story Survives In Spite of Evidence
May 3, 2013
The evolutionary story of extinction and the rise of dinosaurs faces challenges, but survives when the glue of imagination holds fragmentary evidence together.
Questioning the Dino-Bird Hypothesis
April 27, 2012
The scientific consensus has pretty much declared it a fact of natural history that birds evolved from dinosaurs. One evolutionary professor remains a gadfly, though. He contests the evidence on which the hypothesis is based, and also believes his maverick position is growing.
Grebe Left Imaginary Dinosaur Feathers in Amber
September 15, 2011
“Dinosaur feathers” are all over the news again, thanks to a paper in Science revealing feathers in amber found in Canada. But whose feathers are they? Inferences from other sources, not from the amber, were brought into the interpretation, even though the discoverers admitted, “There is currently no way to refer the feathers in amber with certainty to either birds or the rare small theropods from the area.” And modern-looking feathers of diving birds like grebes were also found in the same amber, leading to numerous questions about what can rightly be inferred from the fossils themselves. No matter; most of the media loved the evolutionary implications and trotted out their headlines that feather evolution from dinosaur to bird has been proven.