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...

Act360 Media Ltd seeks to assist instructors as they transition from a more traditional classroom to a multimedia curricula, whether the topic is science, math, English, or social studies. To that end, actDEN provides a...

This resource covers Seyfert galaxies, radio galaxies, BL Lacertae (BL Lac) objects, quasars, supermassive black holes, determining masses in galactic centers using the virial theorem, and a model for active galactic...

The Active Galaxies pop-up book is a very large rectangular pop-up book with foldouts that was developed for use in classrooms for grades 5 and up and for special needs audiences. Active galaxies, a major scientific...

The book, Sorbjan, Z (1996):Hands-on Meteorology, published by the American Meteorological Society, is an excellent source of ideas for teachers to use in the classroom. However, no book can be complete, so this web site...