Nigeria, May 27 -- Octopuses are considered by biologists to be very crafty, clever, cephalopods, who have multiple brains and three hearts, and can easily manoeuvre their ways around even the most difficult circumstances. These Einsteins of the Deep can be very playful, but you can only underestimate their resourcefulness at your own peril. They can dance in and out of difficult situations, even through very narrow apertures. They can change the colour of their skins, in a tricky manner, and can perform magic with their eight legs. They are very adaptive. They don't give up once they set their minds on a goal. Even though Octopuses are considered a special delicacy in many parts of the world, they are all venomous, not only the famed blu...