In general, there has been a concerted effort to make the text even more user-friendly and relevant for students:

• A new "Concepts Applied" feature was added throughout the text, adding applications of relevance for students.
• Where needed, Parallel Exercises were reorganized to make Group A and B exercises more physically, as well as conceptually, congruent.
• Then the Parallel Exercises were selectively "tuned" for the intended audience of non-science majors by revising and replacing some exercises with new, more conceptual, exercises.
• Text materials were made more conceptually-oriented and student- friendly throughout.
• The overall size of the text was reduced by two chapters through reorganizing and condensing some of the historical background material.
• Old chapter 2, "Motion," and old chapter 3, "Patterns of Motion," were merged into one new chapter ("Motion") for a more intuitive presentation.
• Old chapter 9, "Atomic Structure," was substantially rewritten, and old chapter 9 and old chapter 10, "Elements and the Periodic Table," were merged into one new chapter ("Atoms and Periodic Properties") with a more student-friendly approach.
• Old chapter 13, "Water and Solutions," (new chapter 11) was substantially rewritten to be more conceptual and relevant to students.
• The astronomy chapters were substantially rewritten to be more intuitive, contain less history, and update factual materials.
• To satisfy requests from current users of the text, new "Closer Look" features were added, for example: Freefall, Simple Machines, The Measurement Process, Doppler Radar, Lasers, Radiation and Food Preservation, Three Mile Island and Chernobyl, Dark Energy, Seismic Tomography, Estuary Pollution, and the Health of the Chesapeake Bay.
• Also to satisfy requests from current users of the text, additional "People Behind the Science" features were added, including biographies on Isaac Newton, Michael Faraday, Erwin Schrödinger, Robert Bunsen, Stephen Hawking, and Carl Sagan.