The field of science is vast and complex. There are hundreds of branches: from astronomy to zoology. In its simplest form, science is the pursuit of knowledge and understanding. Applied science dates back thousands of years to activities such as farming, building the first cities, predicting events through calendars, and even the invention of the wheel.
3500 years ago the ancient Greeks thought about the ideas and laws behind these activities and how and why they happen. The scientific method—asking a question, doing tests and experiments, studying the results, and adding them to scientific knowledge—began about 500 years ago.
Today, science is everywhere, from the nucleus of the atom to communications, buildings, transportation, food, medicine, the natural world, climate change, space, and the study of the origin and fate of the universe.

With its stunning full-color images and insightful text, this beautiful encyclopedia is sure to fascinate the young reader.