Captive Octopuses Get Bored Unless You Give Them Puzzles

Over at the California Academy of Sciences in San Francisco, the Steinhart Aquarium biologists say that it’s not enough to keep octopuses fed and healthy. The highly-intelligent cephalopods get unhappy if they don’t have things to do with their minds....
http://gizmodo.com/captive-octopuses-get-bored-unless-you-give-them-puzzle-1738731062