With its eight legs wrapped around itself as if in a hug and its eye pupils narrowed to a slit, the octopus breathes evenly, its body a uniform whitish gray. Moments later it begins to change color -- ...
*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Octopuses switch between active and quiet sleep just as humans switch between deep sleep and REM sleep, a new study has revealed.