Enlarge (credit: xbn83 / Getty Images) People tend to associate intelligence with brain size. And as a general guideline, this makes sense: more brain cells, more mental capabilities. Humans, and many of the other animals we’ve come to think of as unusually bright, such as chimpanzees and dolphins, all have large brains. And it’s long been […]
Enlarge / Gimme five! New University of Arizona study finds puppies are wired to communicate with people. “There’s definitely a strong genetic component, and they’re definitely doing it from the get-go.” (credit: Anita Kot/Getty Images) That special social bond between dogs and humans might be a genetic trait that evolved as dogs became domesticated and […]