For as long as humans have dreamt of immortality, the idea of living forever has largely been the domain of science fiction. Yet, some researchers are daring to believe that this fantastical idea could someday become a reality. Joao Pedro de Magalhaes, a molecular biogerontologist from the University of Birmingham, argues that humanity could one day achieve lifespans of 1,000 years or more. But there’s a catch: this lofty goal hinges on a single, monumental scientific breakthrough—solving the mystery of aging.