John Tierney is an American journalist and author known for his work as a science columnist and reporter at The New York Times. Born on March 25, 1953, Tierney has written on a wide range of topics, from urban issues to the psychology of decision-making. His work often explores scientific findings and their implications for society, public policy, and individual lives. He is known for his skeptical and contrarian views on subjects like recycling and climate change policy. Tierney co-authored the book "Willpower: Rediscovering the Greatest Human Strength" with psychologist Roy F. Baumeister, which examines the science of self-control and how it affects personal success. In his writings, Tierney combines thorough research with an accessible style, aiming to engage a broad audience in the complexities of science and its applications in everyday life.