When people think of intelligent animals, they immediately think of dolphins, elephants, and chimpanzees. But one of the most intelligent problem-solvers is hiding deep beneath the surface, called the ...

It may seem like a small difference, but the number of arms a cephalopod has completely changes the way it survives. From ...

Octopuses are widely known for their intelligence, including problem-solving, tool use, and complex hunting behavior. For years, that intelligence was thought to operate almost entirely in isolation, ...