Lian Yunzhi solves 3x3 puzzle on several occasions in average time of under 4.5 seconds, according to state mediaA six-year-old Chinese girl has set a new women’s world record for solving a Rubik’s Cube in just over four seconds, state media reported.“Speedcuber” Lian Yunzhi broke the women’s 3x3 average world record twice this month at two World Cube Association certified competitions in Wuhan and Guangzhou, according to state broadcaster CCTV on Monday. Continue reading...