Markets are seen as rational systems driven by data, while weather seems purely physical and unpredictable. China's meteorological authorities and the Fudan University are now bridging this divide. They have unveiled "Shangji," a pioneering AI model designed to decode the hidden patterns that connect weather forecasts directly to stock market moves. / Can your workout actually be hurting you (18:02)? On the show: Niu Honglin, Steve & Fei Fei.