Maybe it's the eight legs. The octopus sure can creep some people out, but if you can fight back the feeling, it's truly a fascinating animal.
That big bag on top contains a truly remarkable and supple brain, capable of a great deal of perception, and maybe the ability to bond with human companions.
Sy Montgomery wanted to know more about the intelligence of octupi (whoops, it's octupuses, she learned)... she relates her findings in the book The Soul Of An Octupus.
Sy Montgomery joins us to describe her work.