Why Octopus Arms Don't Get Tangled Up

Octopuses have eight, sucker-lined arms that will grab almost anything even when the arms have been severed from the body. But, as the limbs act independently of the animal's brain, how do octopuses avoid tying themselves up in knots? Scientists at Hebrew University say they have discovered the answer hidden in the creature's skin. Jim Drury has more. Credit to Reuters. COURTESY 'NIR NESHER