This case study provides an introduction to HIV, including the life cycle of the disease, its treatment, and problems associated with different treatment options. The case would be useful in an upper level high school or...

The Abrams Planetarium, located at Michigan State University, has this homepage that describes various aspects of the outreach program created by the establishment. In addition, the page provides links to many other...

Created by Terry L.M. Bartelt of the Wisconsin Online Resource Center, this is an object lesson on AC current flow. This is a nice brief introduction to this specific topic. Its employment of Flash allows useful...

Terry L.M. Bartelt of the Wisconsin Online Resource Center has created this object learning activity on AC voltage conversions. This is a nice introduction for those interested in this basic topic.

Academic Earth provides videos of lectures by top scholars in "Subjects" that range from Astronomy to Entrepreneurship to Religion, from "Universities" as celebrated as MIT, Berkeley, Harvard, and Stanford. Visitors...