Add Yahoo as a preferred source to see more of our stories on Google. Coren's research is still considered the most reliable index of comparative dog breed biddability. However, it was published in ...

Dog owners everywhere love praising their pups' intelligence. But the reality of a dog's smarts may be more complicated than we realize. In February 2026, researchers at Duke University published the ...

Coren’s research is still considered the most reliable index of comparative dog breed biddability. However, it was published in 1994, when the AKC recognized far fewer breeds. “Today any ranking would ...