Are humans the smartest animal?
Despite the prevailing belief that humans dominate the animal kingdom when it comes to smarts, we’re actually ranked as the third-smartest species on the planet — at least according to Douglas Adams, author of “Hitchhiker’s Guide to the Galaxy.” But joking aside, there is something to be said for Douglas’ idea, at least in terms of the species he ranks as second-smartest: dolphins. When you correct for differences in body mass, dolphin brains, and the brains of bottlenose dolphins in particular, are pretty comparable to the brains of humans. They even come in second in terms of relative mass above all other species [source: The Sunday Times]. Their brains also have many similar features that
