In this third volume of the Science in Everyday Life series, journalist and PhD in science Ulisses Capozzoli deals with the question of time, resorting to knowledge in areas such as physics, astronomy, philosophy and history. Capozzoli writes: "Time has been a fascinating mystery ever since the earliest man". In chapters such as "The magical time nurtured by the Mayas", "The distinct times of physics and philosophy", "The time of humankind" and "Intriguing possibilities of time travel", the author investigates the nature and presence of time, that, in spite of "not revealing itself", marks every form of life. This collection is published exclusively as ebook ? in English and Portuguese editions.