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Cubic millimetre of brain mapped in spectacular detail
(www.nature.com)
This is a most excellent place for technology news and articles.
https://www.sciencealert.com/scientists-put-worm-brain-in-lego-robot-openworm-connectome
2014, not early 2000s (unless you were talking about the century or something).
OpenWorm project, not CERN.
And it was run on Lego Mindstorm. I am no AI expert, but I am fairly certain that it is not "far more processor intensive than the most advanced AIs we currently have".
Maybe you should be a little less sure of your "facts", and listen to what the world has to teach you. It can be marvelous.