Scientific Theories 
| Crank.net | A cheeky list of alternative science sites! |
| BesslerWheel.com | A mysterious gravity powered wheel in the 18th century. Gravity wheels in general. |
| Sheldrake.org | Rupert Sheldrake, one of the world's most innovative biologists has revolutionised scientific thinking with his vision of a living, developing universe with its own inherent memory. |
Scientific Theories