We know dogs are close to the top of the pecking order of animal intelligence, but the breadth of dog intelligence might just surprise you, from empathy to jealousy, and lots in between, our canine companions have plenty on their minds.

This week Luke explores how, and why, humans domesticated dogs, and what intellectual traits of those first wild animals remain today, and what upgrades and improvements domestication has conferred on them.

And then, of course, there’s the big event – ranking the most intelligent dog breeds.

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