The following submission statement was provided by /u/blaspheminCapn:

Using new machine learning techniques, researchers at UC San Francisco (UCSF), in collaboration with a team at IBM Research, have developed a virtual molecular library of thousands of "command sentences" for cells, based on combinations of "words" that guided engineered immune cells to seek out and tirelessly kill cancer cells.

Please reply to OP's comment here: https://old.reddit.com/r/Futurology/comments/zhtjnn/how_ai_found_the_words_to_kill_cancer_cells/iznrbzz/