An understanding of the ethical implications of their work is now essential for all scientists. This accessible textbook clearly explains bioethical theories and their philosophical foundations to science students, enabling them to confidently take part in the key ethical debates of biotechnology. Over 200 activities introduce topics for personal reflection and discussion points encourage students to think for themselves and build their own arguments. Highlighting the potential pitfalls for those new to bioethics, each chapter features boxes providing factual information and outlining the philosophical background. Accompanying online podcasts by the author (two of whose podcasts on iTunesU have attracted over 3 million downloads) explain points that might be difficult for beginners. Detailed case studies provide an insight into real-life examples of bioethical problems. Within-chapter essay questions and quizzes, along with end-of-chapter review questions, allow students to check their understanding and encourage broader thinking about the topics discussed.