In this episode, Buck discusses gene editing and its potential implications for human health and longevity. He explains the basics of gene editing, including the structure of DNA and how genes are transcribed into proteins, then dives into the history and development of gene editing techniques, focusing on the game-changing CRISPR-Cas9 technology. He also explores the practical applications of gene editing, such as its use in treating sickle cell anemia and other genetic diseases, as well as the potential for human longevity, including targeting genes associated with aging and reversing epigenetic age.