The Search for ExtraTerrestrial Intelligence (SETI) Institute has as its mission to explore, understand and explain the origin, nature, prevalence and distribution of life in the universe. The Web site contains the...

This site was created by two German physicists (Ute Kraus and Corvin Zahn) and it offers a "visual and intuitive approach to the theory of relativity." The site does not offer the basics dealing with the theory of...

A project of Brigham and Women's Hospital and Harvard Medical School's Department of Radiology, SPL is a multidisciplinary research institution "combining the fields of Computer Science and MRI Radiology towards a goal...

This animation with accompanying explanation illustrates the principle of wave superposition: when two (or more) waves travel through the same medium at the same time, the waves pass through each other without being...

BioEdOnline from the Baylor College of Medicine has been producing high-quality educational resources for a number of years, so it's nice to learn about their rather fun and informative "The Body Explained" resource....