Popular Science · 29 Sep 2026
How smart are octopuses? Smart enough to use mirror.
Published Sep 29, 2026 8:04 AM EDT Part of its brain lives in its arms. It can see with its skin. It has no bones at all, allowing it to fit into any space larger than its beak—oh, and yes, it has a beak. This might sound like some fever dream of a next-level alien. In fact, scientists do liken its
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