New to this Edition The integration and flow of the text has been improved for better student comprehension. Expanded selection of Web Links to many more sites for student research, many relevant to their interests and entertainment choices Enriched focus on applying social science knowledge to current events (transcending a complete reliance on assumptions from the media) New/expanded coverage on topics throughout the book, including New findings from global warming research and its implications for social life and policy New developments in race relations in an integrated approach throughout many chapters Deepening inequality and the implications that threaten family, education, and student futures—nationally and globally Gender, including new developments in legal gay marriage and transgender Expanded coverage of genetics and the medical potential of human genome sequencing New developments in astrophysics and their potential implications for society Updated Statistics throughout