Octopuses, squid and other cephalopods are colorblind – their eyes see only black and white – but their weirdly shaped pupils may allow them to detect color and mimic the colors of their background, according to a father/son team of researchers from the University of California, Berkeley, and Harvard University.

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Here’s a link to another interesting article talking about the brain of an octopus.

The Mind of an Octopus – Eight smart limbs plus a big brain add up to a weird and wondrous kind of intelligence

We had a previous post with more interesting octopus activites.

And of course here is the link to the octopus section in the ebinder.