A squid has been caught on video apparently 'dancing' as it wiggles its tentacles before a willing customer who then deposits the sea creature into his mouth whole.Its trembling legs give the gross facade that the animal is still alive, after the customer sprinkles the delicacy with salt.The strange reaction is an automatic response to sodium chloride, and although the deceased squid may lack a functioning brain, its muscle cells, which receive electrical commands, are still intact. Charles Grisham, a chemistry professor at the University of Virginia, explained the process: "Most ...