Biochemistry Online is a Web-based textbook developed by Dr. Henry Jakubowski for his first-semester biochemistry students at the College of St. Benedict / St. John's University. While a few features of this Web site are...

Teaching critical thinking can be difficult, and it is nice to know that Professors Joe Lau and Jonathan Chan at the University of Hong Kong have created this site to help both teachers and students in this endeavor....

This is a group of logic puzzles and musings upon self-referential statements and the value of logic.