Watch what happens when you play Cypress Hill through a squid's fin

Cephalopods like squid and octopuses change their appearance with color-changing cells called chromatophores. Chromatophores can be stimulated via electrical signals — like the ones coming out of the headphone jack of an iPhone playing Cypress Hill's "Insane in the Brain." » 8/23/12 4:40pm 8/23/12 4:40pm

Lose yourself in the hypnotic dance of a squid's pulsing pigment cells

The color patterns on cephalopods are controlled in large part by chromatophores, pigment-filled cells controlled by the animal's muscles. Michael Bok, a graduate student at the University of Maryland, Baltimore County, filmed this video of a dead Longfin Inshore Squid (Loligo pealeii) still-active chromatophores… » 7/08/12 1:00pm 7/08/12 1:00pm