Kansas State University offers a few pictures and interesting tidbits on tooth amoebas, the toothbrush-fleeing microscopic parasites found where the teeth meet the gums. These photos and facts are part of a tutorial for...

A=B, by Petkovsek, Wilf, Zeilberger, is a book about identities, especially identities involving binomial sums and hypergeometric identities, and ways to prove them using computer programs. The entire text may be...

Created by Senior Research Associate Nari Mistry at Cornell University, this 23-page pdf gives a brief but thorough introduction to particle physics. Complete with illustrations, this document covers sub-atomic...

The Department of Computational Quantum Chemistry at the University of Georgia makes available the Website, A Brief Review of Elementary Quantum Chemistry, designed by David Sherrill. The discussed topics are organized...

This is a tree species distribution atlas. It contains information for 80 species in the eastern half of the United States (east of the 100th meridian). The site contains distribution maps and tables for different...