SEATTLE — People have taken many steps in recent decades to help the Pacific Northwest's endangered killer whales, which have long suffered from starvation, pollution and the legacy of having many of ...

Inbreeding is commonly associated with reductions in fitness 1,2,3,4,5,6, yet reported effects vary. Several studies of birds, for example, have shown strong inbreeding depression on hatching success ...

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The powerful Habsburg dynasty that ruled Spain for nearly 200 years came to an abrupt end in 1700 with the death of King Charles II, who left no heirs to the throne. Subscribe to read this story ...

Mating of closely related animals on communal farms not only has monetary consequences, but also has an impact on the genetic ...

There are many ways to examine the social worlds of fact and fiction, and whether or not they are similar. In an article for* The Atlantic*, I examined the social networks of superheroes, a ...