"Then, in 2021, the Princeton University geneticist Coleen Murphy found that Caenorhabditis elegans worms could learn to avoid a pathogenic bacterium by eating, or even just swimming around in, pureed worms who had learned the hard way."
www.quantamagazine.org/are-memories...
In the 1960s, worm-training experiments and their strange implications captivated the nation. Columnist Claire L. Evans follows the neuroscientists who attempted to recapture the magic.