Authoritative and thorough, "Life" achieves an optimal balance of scholarship and teachability. The first introductory text to present biological concepts through the research that revealed them, "Life" covers the full range of topics with an integrated experimental focus flowing naturally from the narrative. This approach enables students to experience biology as a rich and coherent discipline. The new edition includes the latest research, new pedagogy, and new chapter-opening spreads that draw students into the chapter in an engaging way.