January 5, 2012
Dinosaurs' true colors revealed
Modern birds range across the color spectrum from brilliant blue to Big Bird yellow to vibrant vermillion, so it stands to reason that feathered …
The EARTH archive
Archaeopteryx
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January 5, 2012
Dinosaurs' active lifestyles suggest they were warm-blooded
Whether dinosaurs were warm-blooded or cold-blooded has been a long-standing question in paleobiology. Now, new research on how two-legged …
January 5, 2012
Benchmarks: September 30, 1861: Archaeopteryx is discovered and described
The Solnhofen limestone of southern Germany has a storied history. First quarried nearly 2,000 years ago by the Romans, the dense, fine-grained …