Few animals rearrange basic assumptions about biology as thoroughly as the octopus. It gets by with nine separate brains, pumps blue blood instead of red, and can taste an object simply by touching it ...

Few animals in the ocean look, move or function quite like the octopus, a soft-bodied invertebrate whose internal machinery is almost as strange as its shape-shifting exterior. Beneath that boneless, ...

Octopuses have three hearts🐙 Octopuses are actually quite unique creaturesThis might come out of the blue, but do you know how many hearts an octopus has?Humans have one.Dogs have one.Birds have one.

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 ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Octopuses' oddities run deep—right down to ...

Dorado Octopus arms reaching out. Photo credit: Schmidt Ocean Institute Roughly 300 species of octopus live in the world’s oceans. These creatures embody many traits that people consider particularly ...

They change shape and color, and squirt ink. But they also will return your gaze, "as if they're scrutinizing you." ...