Octopuses are regularly presented with puzzles that would leave many other animals in a bind. Octopuses know how to open jars, slide lids, or navigate mazes to get their prey. It is the fact that they ...

Octopuses already exist in a strange corner of the animal world, with soft bodies, problem-solving brains, and the ability to change color in a blink. Even within that group, a handful of species push ...