"This Is Improbable" is a collection of essays that explores the quirky and unexpected aspects of science. The book highlights unusual research findings and the often humorous side of scientific inquiry, showcasing how improbable events can lead to significant discoveries. The essays are written by Marcia Bartusiak, a science writer known for her engaging style. Each piece delves into different topics, from quantum physics to biological anomalies, making complex ideas accessible and entertaining for readers. The book encourages curiosity and appreciation for the unpredictable nature of scientific exploration.