The octopus, an incredible marine species known for its intellect, excellent camouflage abilities, and complex behaviours, has a distinct physiological trait: blue blood. This interesting ...

Finally, why do octopuses have blue blood? Are you still wondering why octopus blood is blue and what the three hearts do? Well, the blue blood is because the protein, haemocyanin, which carries ...

Imagine a creature that has three hearts….Surprised? Well, imagine that it also has nine brains and blue blood. Sounds like ...