When people think of intelligent animals, they immediately think of dolphins, elephants, and chimpanzees. But one of the most ...

This octopus behavior might look funny at first glance, but it reveals how evolution solves complex problems in unexpected ways.

YouTuber and musician Mattias Krantz spent six months teaching an octopus how to play a custom-built piano. The process required a lot of creative problem-solving skills, including motivating the ...

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, ...