Summary:

- Bryan Johnson, a 45-year-old tech entrepreneur, claims he hasn't aged in a year and is targeting immortality by 2039.
- He has invested $2 million per year into a project called "Operation Longevity" to reverse his biological age through various medical interventions, including taking over 100 supplements per day.
- Johnson's goal is to achieve "no death" and live forever, pushing the boundaries of human lifespan and challenging the traditional view of aging.