Brief chapters are written to teach science through engaging stories, combining compelling science with intriguing anecdotes. The Second High School Edition features NEW stories on exciting topics such as battling antibiotic-resistant superbugs and the human microbiome, and coverage of the course's most important content areas. Biology Now is written by an author team made up of a science writer and three experienced teachers. Pedagogy in the book and online encourages students to think critically, engage with biology in the world around them, and tie concepts they learn to the Next Generation Science Standards.