Cuttlefish are among the most remarkable of cephalopods, but nobody expected the creatures to have this particular trick up their sleeve. Cuttlefish can actually see information in the angle of intense polarized light that we can barely comprehend.
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 over.
Emily Baldry, an adorable 5-year-old girl from the UK, was doing what a normal kid her age would be doing: Hanging out at with her family and digging. Unlike other normal kids though, she found a 160 million year old fossil. She called it Spike.