Mollusks evolved brains on four different occasions - io9

[octobot]

Mollusks evolved brains on four different occasions [SIZE=-1]io9[/SIZE] [SIZE=-1]As far as invertebrates go, you don't get much smarter than the members of the mollusk phylum, which includes octopuses, cuttlefish, and squid. But mollusks apparently didn't think through their evolutionary path very well, developing brains four times ...[/SIZE] [SIZE=-1][/SIZE] [SIZE=-1]and more[/SIZE]

More...