Octopus proves smarter than it looks

Vodpod videos no longer available.

This must have really made PZ Myers’ day. This video shows a very clever octopus deliberately inside a shell to avoid predators. Very cool stuff.

So what’s the big deal? Science Daily explains:

Scientists once thought of tool use as a defining feature of humans. That’s until examples of tool use came in from other primates, along with birds and an array of other mammals. Now, a report in the December 14th issue of Current Biology, a Cell Press publication, adds an octopus to the growing list of tool users.

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