What is Science?
One of the ways to understand what is science is to look at some areas which claim to be science but are not. A number of such links are listed below:
Extraordinary Popular Delusions and the Madness of Crowds - this 1841 book by Charles MacKay is the grandaddy of all the flimflam debunkers.
Pseudoscience - What is NOT science.
The Skeptic's Dictionary: A Critical Survey of Questionable Therapies, Eccentric Beliefs, Amusing Deceptions and Dangerous Delusions
This pseudoscience page offers a well-organized wealth of links on many areas of pseudoscience.
Astrology - a critique of this popular pseudoscience.
"Science/Pseudoscience" lesson software by Steve Lower of Simon Fraser U. can be downloaded from: Download Windows version now (science.exe, 940K)