> And yet . . . could we be missing something here? While they can’t see much of their own kaleidoscopic skins, they can clearly sense inside what they are doing. Remote cameras on the seabed show octopuses crackling with color changes, even when there is no other creature present to observe them. Godfrey-Smith believes this is just a byproduct of neural activity, no more than an expressive quirk. But maybe it isn’t. Perhaps they are talking to themselves.

God I hate science reporting. It's like they can't help but interject spasmodic blather into an article.