Ages ago, the Townsville Bulletin published an article under the headline 'Smithsonian Institute worth a visit'*. In the same spirit of understatement, let me say that Carl Zimmer's blog The Loom is worth bookmarking.
In his latest article in the New York Times, he interviews marine biologist Roger T. Hanlon and gives the lowdown on cephalopod camouflage. (Link to NYT in blog post.)
Here's Hanlon's video on the fine art of octopus concealment.
And the delightful Digital Cuttlefish makes an appearance in the comments section of The Loom. More of the poetic cephalopod here.
HT to d**ky
* They also published a profile in which they referred to the well-read and talented subject as a 'polymorph'.