I, Octopus

SCIENCE FRIDAY'S CEPHALOPOD WEEK 2016 BEGINS May 17th!
http://www.sciencefriday.com/cephalopodweek
With thousands of chemically-sensitive suckers, color-changing skin, and a brain that literally stretches when they eat, octopuses seem like aliens living in our oceans. Understanding their physical adaptations and how octopuses might process their own sensations requires a flexible imagination. Thankfully, Frank Grasso of Brooklyn College is up to the task. He reveals some of the small biological and behavioral clues that researchers have uncovered as they try to understand these curious creatures.