Octopus!

No one understands the octopus. With eight arms, three hearts, camouflaging skin, and a disarmingly sentient look behind its highly evolved eyes, how could it appear anything but utterly alien?
Octopuses have been captivating humans for as long as we have been catching them. Many cultures have octopus-centric creation myths, art, and, of course, cuisine. For all of our ancient fascination and millions of dollars' worth of modern research, however, we still have not been able to get a firm grasp on these enigmatic creatures.
Now, Katherine Harmon Courage, a veteran journalist and contributing editor for Scientific American, dives into the mystifying underwater world of the octopus. She reports from around the globe of her adventures in Spain, Greece, and even Brooklyn, inviting us to experience the scientific discoveries and deep cultural ties that connect us to the octopus. You'll discover:
The oldest known fossilized octopus is...