Ever wondered which dogs are the smartest?
According to researchers, that could be dictated by something as simple as how big (or small)
they are.
If memory tests and self-control are markers of intelligence, then large dogs seem to take the
University of Arizona researchers collected data of 7,000 purebred dogs of 74 different breeds
and found that absolute brain size equates to smarts.

New Study: Bigger Dogs Are Better Thinkers


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