Science

How Stuff Works »
From cars to cameras, electronics to the entertainment industry, use this site to find out how stuff works.

Periodic Table of the Elements »
View the periodic table of elements and click on each element for an explanation, history, and more information.

Science Center of Iowa »
Explore the sciences at Des Moines' science center: find out about their programs, exhibits, planetarium, schedules, and more.

Scientific American: Ask the Experts »
Ask a question or read the experts' answers to other people's questions about computers, chemistry, astronomy, physics, medicine, the environment, and other areas of science.

Math

Glossary of Mathematical Mistakes »
A website devoted to collecting and correcting the most common math mistakes made by advertisers, the media, politicians, and anyone else.

Measure for Measure »

World of Mathematics »
A comprehensive site for the world of mathematics, including Algebra, Calculus, Geometry, and Statistics.

Computers and Technology

Dave's Guide to Buying a Home Computer »
How and what to buy in new and used computers and related equipment.

Help-site Computer Manuals »
A directory of links to over 800 online documents.

New User Tutorial »
Designed to help people who have never used a computer before.

Tech Encyclopedia »
More than 20,000 definitions of computer terms and concepts.

Central Iowa Computer User Group »
A non-profit organization of approximately 350 members sharing knowledge and expertise with other computer users from novices to veterans.

GameSpot »
The latest tips and tactics for playing the hottest games on the market.