George G. Scott, Jr. has been an auto mechanic for over thirty years, and he has also found time in his busy schedule to create this website dedicated to providing both the average person and future auto mechanics with...

This collection of classroom activities from the Howard Hughes Medical Institute is a useful stop for biology educators teaching topics such as stem cells, viruses, evolution, biodiversity, heredity, and molecular...

Students build a working spectroscope to study the nature of light. (Younger students use a prism to learn about the rainbow.) The curriculum includes study guides for various grade groups, PowerPoints to explain...

The Building Design site bills itself as "the architects' website", and it is a claim that is quite accurate and apropos. Designed to complement their print publication, the site is a treasure-trove of material for just...

The California State University Stanislaus developed these interactive chemistry Web tutorials to assist college students in mass spectrometry, proton NMR chemical shifts, and more. With the many animations and figures,...