Source: Princeton University Press/ Used with permission. Octopuses and other cephalopods are amazing, strange, sentient beings. They have very active social lives and brains—some say octopuses have ...

We named him Squirt—not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.

We named him Squirt – not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.

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Good things come to those who wait—especially for the cuttlefish hanging out with Alexandra Schnell, a comparative psychologist at the University of Cambridge in England. For the past decade, Schnell ...

Idaho Today host Mellisa Paul had a chance to interview Dr. Alex Schnell, whose latest installment of Nat Geo's Emmy Award-winning Secrets Of… franchise, "Secrets of the Octopus," narrated by Paul ...

We named him Squirt – not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.

Consider the octopus. Smart and sophisticated, it has a brain larger than that of any other invertebrate. With 500 million or so neurons, its nervous system is more typical of animals with a backbone.