Mark Rober Builds Underwater Maze to Test the Inventive Intelligence of an Octopus

Mark Rober, the entertaining science vlogger who previously built obstacle courses for the squirrels and other critters in his backyard, created a nine-part underwater maze for his pet octopus Sashimi. The maze included incrementally increasing the difficulty levels in accordance with her high intellect and inventive intelligence, both of which Rober underestimated.

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