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Dog Breeds as Separate Species: Observing Evolution
in area: Commentary
Scientific American published a tongue-in-cheek piece advocating a reclassification of dog breeds into different species of dog. The author has a point: If a species is defined as a reproductively i...
The Marvelous Ichthyostega: One of Darwin's "Missing" Transitional Fossils
in area: Features
This post is a contribution to the blog swarm "Blog for Darwin," held from February 12-15, 2009, to celebrate the 200th anniversary of Charles Darwin's birth.When Charles Darwin published On the Origi...
On the Origin of Species: 150 Year Anniversary
in area: In the News
Today is the 150th anniversary of the publication of Charles Darwin's world-shaking opus, On the Origin of Species, which introduced the concept of natural selection to science. Evolution had long be...
What Color Were Dinosaurs? Now Fossils Have the Answer
in area: Features
What color were the dinosaurs? Schoolchildren have long been taught that the answer is something we can never know. Color pigments, after all, don't fossilize—or so it was thought. New dinosaur...