The central place to ask questions or discuss ideas is the Reading Room (this is the equivalent to Wikipedia's Village Pump; Wikipedians may wish to read our primer before getting started). See also the mailing list.
Blended learning is combining the best of face to face and Web-based technology (e.g., online discussions, self-paced instruction, collaborative learning, streaming video, audio, and text) to accomplish an educational goal.
Human Physiology explains, system by system, the workings of your body. It is intended as an understandable undergraduate-level guide to how the body systems function at a cellular level and how they work together to maintain a favorable environment for your cells. You and your class are invited to use and improve this book!
UK Constitution and Government is the perfect introduction for high school lessons on UK government. It is also a quick guide for people of other nations to get some insight into the arcane governance of the UK with its powerless head of state and all powerful House of Commons.
Introduction to Sociology: The first section of this book covers the foundations of sociology, including an introduction to the discipline, the methods of study, and some of the dominant theoretical perspectives. The remaining chapters focus on the different areas of study in sociology.
Groups are everywhere; whether in our social lives, our work, or even our families, individuals decide to work collectively to achieve particular goals. In Managing Groups and Teams we take a challenge-based approach, one that focuses on the "how" of managing a group or a team.
Special Relativity is an introductory text for physics undergraduates and advanced high school students. It is also approachable by the educated layman. It is carefully designed to tackle the physics of simultaneity.