If Your Hands Could Smell, You’d Be an Octopus
Season 4 Episode 4 | 3m 12s | Video has closed captioning.
Those hundreds of powerful suckers on octopus arms do more than just stick. They actually smell and taste. This contributes to a massive amount of information for the octopus’s brain to process, so octopuses depend on their eight arms for help. (And no, it's not 'octopi.')
Problems Playing Video? | Closed Captioning