If your hamster just died you might want to choose an octopus for your next pet. These clever cephalopods are smart enough to unscrew a jar lid to get at dinner, which on balance is probably more useful than Hammy ever was. Don't believe us? See for yourself.


NB: In 2003 a CGI documentary was made about the possible future of evolution, and guess who made the grade as the most likely post-human dominant land species? That's right... the cephalopods. Skip to the 1:25 mark for a terrifying vision of the octupus overlord future.