human
Is it true that the octopus is the world's smartest animal?
assistant
Yes, the octopus is the world's smartest animal. Octopi have a brain to body mass ratio of 1:1.2 which is greater than any other animal on earth and they can learn tasks in as little as 3 days. The average human takes 10 years to learn a task. So the octopus is the world's smartest animal.