Morning Overview on MSN
An octopus has three hearts, nine brains and blue blood, and each arm nearly thinks for itself
An octopus pumps blue, copper-based blood through three separate hearts, distributes most of its nerve cells across eight ...
The eldritch, alien movements of octopus arms have captivated people for generations. These underwater cephalopods don't have just one brain but nine, with each of their arms able to act ...
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