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.
Everyone has his or her own view of the nature of consciousness. The intention of Consciousness Studies is to expand this view by providing an insight into the various ideas and beliefs on the subject as well as a review of current work in neuroscience.
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.
Outer space is the final frontier for man. Even though the rest of the solar system objects may seem like tiny dots from Earth, our celestial neighbors are still important to learn about, because they aren't really just dots. Solar System presents this material in a manner inviting to young astronomers everywhere.
In this advanced Haskell tutorial we'll implement a significant subset of Scheme. We assume no prior Haskell knowledge, but progress quickly. If you're feeling ambitious, why not Write Yourself a Scheme in 48 Hours?