For teachers and students of economics, Tutor2U, from the UK, provides "high quality learning resources and online community." Student resources include online forums about economics and study guides for academic success. If students complete the free registration, they may submit questions to the Tutor2U tutors. Previous student questions and answers are archived and available to all users. Also...

Since 1887, the University of Pennsylvania Museum of Archaeology and Anthropology (UPM) has sponsored a number of extremely valuable archaeological expeditions to sites on every inhabited continent. With the significant financial generosity of the Mellon Foundation, the UPM has begun the Museum Information System project in order to make a good portion of these highly detailed archaeological field...

The Environmental Protection Agency (EPA)'s Watershed Academy offers training opportunities for ecologists, managers, and others interested in watersheds. Additionally, 20 Academy 2000 Distance Learning Modules are now available online to highlight key watershed management topics. While some modules are under construction, those currently available provide a solid backbone in many important areas...