Eight arms, nine brains: The hidden intelligence of octopuses
An octopus glides silently across the ocean floor before stopping in front of what appears to be an impossible obstacle, a tightly sealed jar containing a crab. Within minutes, it twists the lid open, reaches inside with one of its eight arms, and enjoys its meal. In another part of the world, an octopus gathers … Eight arms, nine brains: The hidden intelligence of octopuses


