The 21 volume Science series. The Editor has collected articles by notable scientists and organized them into five main subject areas.

This is volume 1 in the Realm of Science Series. This volume includes 16 essays, providing a great introduction -- explaining what Science is, why we do it, and why it is so costly and priceless -- to the remaining volumes which go into the "Nature" of Matter, Energy, Space, Earth, and Life.

The Realm of Science is a brilliant collection of articles by distinguished scientists, In 21 volumes divided into 5 parts, each covering a broad concept of science rather than a traditional discipline, with the last volume being a "Scienthesis" -- Table of Contents by Concept Index, and a Cumulative index.

Part I - The Nature of Science.
Part II - The Nature of Matter and Energy
Part III - The Nature of Space
Part IV - The Nature of Earth: Environment
Part V - The Nature of Life

While primarily a "history" of science with plenty of pictures and illustrations, many of the authors answer very contemporary and timeless questions. ( )