Mario Mendez-Acosta Born in México City in 1946. Science Writer, Journalist and Civil Engineer. Head of the Mexican Skeptical Research Society. Writes the skeptical Science column for ”Ciencia y Desarrollo” (Science and Development), journal of the Mexican government science agency. Conductor of “Public Library” a Science radio program of Radio Red AM radio station in Mexico City. Member of the editiorial board of Pensar, CSICOP’s skeptical Spanish language magazine. Author of several books on Science and Skepticism. Head of Journanlists’ Club of Mexico City.