Scientists also made ADAM , stem cells harvested from an unknown species of sea slug , which were discovered by Dr. Bridgette Tenenbaum to have the ability to heal damaged tissue and rewrite the human genome . One such advancement was ADAM , stem cells harvested from a previously unknown species of sea slug , which were discovered by Dr. Bridgette Tenenbaum to have the ability to regenerate damaged tissue and rewrite the human genome .