genes go, we found out not only do you change your life chil, it changes the ends of our chrome oh soems that in collaboration with elizabeth blackburn who got the nobel prize last year. there's a lot we can do. and these mechanisms of not only inflammation, but angiogenesis, we can start the tumor in ways that don't have the kind of toxicity of chemotherapy. >> larry: we'll be back with more on this most important topic, cancer. don't go away. i said "sure." "well, let's grow some algae." and that's what started it. exxonmobil and synthetic genomics have built a new facility to identify the most productive strains of algae. algae are amazing little critters. they secrete oil, which we could turn into biofuels. they also absorb co2. we're hoping to supplement the fuels that we use in our vehicles, and to do this at a large enough scale to someday help meet the world's energy demands. get selsun blue for itchy dry scalp. strong itch-fighters target scalp itch while 5 moisturizers leave hair healthy. selsun blue. got a clue? get the blue. >> larry: had you not had the horror of having pros