Dive into the enchanting world of the octopus, an extraordinary marine wonder with eight flexible arms and a unique circulatory system featuring three hearts. Two hearts diligently direct blood to its ...

Intriguing and incredibly unique, octopuses are cephalopods with three hearts that pump blue blood throughout their eight arms. These intelligent sea creatures have multiple brains — nine, to be exact ...

The octopus, one of Earth’s oddest and most enduring creatures – they were here before dinosaurs – is spotlighted April 21 with NatGeo’s eye-opening “Secrets of the Octopus.” These incredibly unique ...

Did you know octopuses are highly intelligent animals with the ability to problem-solve complex puzzles – and even change color? They have three hearts and blue blood, helping them survive in deep ...

Three Hearts. And a Plan. To demonstrate how smart an octopus can be, Piero Amodio points to a YouTube video. It shows an octopus pulling two halves of a coconut shell together to hide inside. Later ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...