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All Bears Are Brethren

The world-wide variations on bears could have come from one original type. It has been known that Alaskan brown bears can hybridize with polar bears. The resulting mixed breeds, sometimes called ‘pizzlies’ or ‘cappucino bears’, were thought to be rare. Now, in a surprising study from Senckenberg Research Institute and Natural History Museum, scientists have […]

Evolution Is Rapid Except When It Is Static

A new living fossil and others that must have changed rapidly or not at all are described in recent news.
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