The yearning to cheat death has infused pop culture for ages, from “The Picture Of Dorian Gray” to “Death Becomes Her” to “Harry Potter and the Sorcerer’s Stone.” But in recent years, finding the secret to longer life has transitioned from mythical fiction to actual science with the help of over $5 billion in investments from the likes of Peter Thiel, Jeff Bezos and Sam Altman.  This ultra-wealthy cohort is laser-focused on preventing aging at the molecular level, while others are funneling