Scientific American

From anxious Weimaraners to aggressive Chihuahuas: What science can tell us about dog breeds

Dogs can have wildly different personalities, which often vary by breed and size. Although individual temperament matters ...

Centuries of breeding have reshaped dog brains—here’s how

The role for which a dog was bred—say retrieving birds—is reflected in their brain structure, according to a study of 33 breeds.