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Flying Pigs by BugMan50 (cc by-nc)

the electrophysiological component is in my wheelhouse ... biogeo does a fantastic job of breaking down various aspects of that news story about scientists restoring some activity in dead-pig brains.

a restoration of what a Kimberella might look like

[O]ur most recent common ancestor with octopus might have looked something like this... more like an octopus than a human. Our most recent common ancestor was some kind of soft-bodied blob that existed well over half a billion years ago and had no head, no eyes, and only a very basic, decentralized nervous system. In other words, our common ancestor had no brain.