Resources for Teachers
A good collection of optical illusions and visual phenomena for you to enjoy and share with your students. There are also in-depth explanations for how and why the illusions work, along with well-documented source lists.
Your Amazing Brain
If you're interested in finding some good information on the human brain, this is a terrific site. There are ways to become a part of experiments, links to tests and lots of great information about how the brain and body interact. The newly added "teachers' section" has some fascinating links about curriculum as well as articles about the brain in education and the brain under stress.
An acoustics website designed by the University of New South Wales. You can use it to perform hearing tests to measure the relative sensitivity of your ears to different frequencies. Then check out the didgeridoo page.