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In this thoroughly revised and updated new edition of their classic bestselling guide to basic principles of science, Robert Hazen and James Trefil take into account the most recent developments, from particle physics to biotechnology. Most books on science are often too obscure or too specialized to do the average person much good. Science Matters is that rare exception--a primer that is informative enough to be a popular textbook for introductory courses in high school and college, and yet well-written and entertaining enough to appeal to general readers uncomfortable with scientific jargon and complicated mathematics.