What about shrimp? Their brains turn out to have memory and learning centers, which has triggered an evolution squabble.
The smartest of invertebrates, the octopus, once again prompts us to rethink what we believe to be the origin of intelligence.
How do you get a 3-D shape from a linear code? That is the puzzle of morphogenesis.
The humble squid astonishes scientists with its super-powers. Are these marine champions really the products of random mutations and natural selection?
Man has been searching for fossils, or stumbling upon them, for millennia.