dog on keyboard - Hakan Dahlstrom CC

How smart is your dog? Researchers have created a test to answer that question. In a study published in February in the journal Intelligence, scientists Rosalind Arden and Mark Adam tested the intelligence of 68 border collies from working farms in Wales. They found that, like humans, dogs that did well on one test tended to…

Photo by Hakan Dahlstrom, CC

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