Discovery of the molecular structure of telomeres, telomerase enzyme, the templating role of telomerase RNA and their roles in cellular senescence and chromosome healing (for which a Nobel Prize was won).
Descubrimento da estrutura molecular dos telómeros, o encima telomerase, o papel de molde do ARN da telomerase e os seus papeis na senescencia celular e a reparación dos cromosomas (traballos aos que se lles outorgou un premio Nobel).