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 ...

Octopuses are fascinating in more ways than one. Beyond their impressive intelligence, they also have other unique features like three hearts, an amazing ability to camouflage, and a central brain ...

Add Yahoo as a preferred source to see more of our stories on Google. YouTuber and musician Mattias Krantz spent six months teaching an octopus how to play a custom-built piano. The process required a ...