Book excerpt: What drives scientists to pursue the challenging career paths they have chosen? Is it fame? Fortune? Prestige? No. It's curiosity and the love of discovery. Meet the 24 fascinating researchers profiled in Sensational Scientists, understand how they achieved their career success, and discover how each is inspired by the most simple question: Why? The scientists featured here, including a number of Nobel prize winners, work in a wide range of areas from chemistry, biophysics and genetics to meteorology, anthropology and psychology. Rich with photographs, diagrams, educational experiments kids age 12 and up can do themselves and inspiring discussions on how to embark on a career in science, Sensational Scientists is perfect for young scientists who are thrilled to discover something new, and for everyone who has ever wondered how? and why?A revised version of Great Canadian Scientists, this book includes five new profiles, while the rest have been thoroughly updated and expanded. Of the 24 scientists included, 22 are Canadian or work in Canada.Ages 12 and up