http://jbreitenbuch.blogs.wooster.edu/2008/07/11/iphone-educational-apps/ Two first looks at iPhone applications for teaching and learning (1, 2) come from Jon Breitenbucher, academic computing at the College of Wooster.
* Molecules: Molecules seems like it could be a nice app to have available in a class where you want students to get a good idea of the structure of the molecule you are discussing. However, I think there is educational value and potential projects in creating more...