i had a heart problem. i was told to begin my aspirin regimen. i just didn't listen until i awoke with pains in my chest. i almost lost my life. my doctor's again ordered me to take aspirin. and i do. i make sure that he does it. [ male announcer ] aspirin is not appropriate for everyone, so be sure to talk to your doctor before you begin an aspirin regimen. [ mike ] i encourage everyone to listen to the doctor. and take it seriously. [ male announcer ] learn moret at iamproheart.com. my professor at berkeley asked me if i wanted to change the world. i said "sure." "well, let's grow some algae." and that's what started it. exxonmobil and synthetic genomics