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