Maria Branyas Morera, the world's oldest person at 117, has passed away peacefully in her sleep. Born in San Francisco in 1907, she lived through historic global events, including two World Wars and the Spanish Civil War, before settling in Catalonia, Spain. Her remarkable longevity was attributed to good genetics and a positive, tranquil lifestyle. Morera's life and health have inspired ongoing research into age-related illnesses, with her legacy continuing to impact the scientific community.