In the ancient human dance between mind and matter, a six-year-old girl from China has stepped forward in a way that quietly reorders our assumptions about what young minds and small hands are capable of. Solving a Rubik's Cube in just over four seconds, she has claimed the women's world speed record — a mark set not by years of adult mastery, but by the first years of a life still unfolding. Her achievement arrives as a reminder that human potential does not wait for age to grant it permission.