Commentary The Merriam-Webster Dictionary defines science as “knowledge about or study of the natural world based on facts learned through experiments and observation.” So science is human knowledge of facts, which has nothing to do with human intention or politics. Yet Mao Zedong said in 1940 that “Natural science is one of man’s weapons in his fight for freedom.” In Mao’s China, science became a tool for the communist leader and his comrades to conquer the world and achieve their “freedom.” For my purposes here, I will call fact-based science Objective Science and Mao’s totalitarian science Subjective Science. My Sister Didn’t Have to Die I lost two brothers to infectious diseases, and one sister to famine. I am the ninth and the youngest child in my family, and I was named Jiu (meaning “ninth” in Chinese). But three of my siblings died very young. Two boys died from unknown infectious …