Ask Dr. Math - Submit your math question to Dr. Math, or browse the archive and see if your question has already been answered.

Biographies of Women Mathematicians - Illustrates the numerous achievements of women in the field of mathematics.

Math for Morons Like Us - Topics range from pre-algebra to geometry and calculus.

CoolMath.Com "An amusement park of mathematics" - includes a graphing calculator.

Algebra.Help Calculators, lessons, and resources.

The Math Forum - From Drexel University, help is available for K-12 math, college and advanced level.

Calculator - Scientific calculator.

General Science

The Black Hole Gang -- Science - Click on the different members of the Black Hole Gang to see their "corners" of the world, then click on objects in the picture to discover links to all kinds of science-related sites. You can also submit questions.

Exploratorium - The museum of science, art, and human perception.

Explore Cornell - Wide scope of subjects including a 3D body scanner and beetle science.

Invention Dimension - Learn about inventors and inventions, including resources for inventors.

New Scientist - Good web links to various aspects of science.

Nine Planets - Overview of history, mythology, and current scientific knowledge of each of the planets and moons in our solar system.

Online Science Activities - The Oregon Museum of Science and Industry brings the world of science home to you with 18 online exhibits.

SpaceDaily's Desktop Collection - Information and pictures on the planets in our solar system, plus info on moons, comets, asteroids, and other celestial objects.

WashingtonPost.com: Historical Weather Data - Type in a city, and get historical weather information.

The Why Files - Gives you the science facts behind news and entertainment.

Technology Review - Keep up with science and technology news from M.I.T.

Life Science

Animal Diversity Web - University of Michigan Museum of Zoology.

Arkive - A comprehensive listing of the 15,000-plus species currently threatened with extinction, "ARKive is the Noah's Ark for the Internet era - a unique global initiative, gathering together into one centralised digital library, films, photographs and audio recordings of the world’s species."

Cells Alive - Explore cell biology, microbiology and more through this web site.

National Center for Biotechnology From the National Institutes of Health, a science primer on cells and cell structure.

Virtual Frog Dissection - A virtual frog dissection, covering all of the major points of technique and anatomy, but without all the blood and guts and gore and odor!

ECOHEALTH - Environmental Change and Our Health. Global Warming, biodiversity loss, West Nile Virus…how are these changes affecting our health?

Ecosystems - The World's Biomes pages. Explore the five major biomes of the earth.

Ocean World - Developed and maintained by the Jason Education Project at Texas A&M University

TreeLink: What Tree Is That? - A guide to tree identification for the Eastern and Central parts of the U.S.

The Scientist - On-line news journal for the life sciences.

Smithsonian National Zoological Park - Learn about the National Zoo's exhibits, the species in their collection, science and conservation efforts in the wild and at the Zoo, and education resources.

U.S. Fish and Wildlife Department's Endangered Species Home Page - Find out which species are currently endangered, and which have been successfully repopulated and are now off the list.

Winter Olympics - Sport and Science: nutrition, physics and biomechanics, psychology and physiology

Matter and Energy

What's That Stuff - From the Chemical & Engineering News, find out the ingredients in your favorite commercial products.

Periodic Table of Elements - A full-color periodic table; clicking on an element brings up a text description of that element.

Science Learning Network - From the Miami Museum of Science, learn all about "the Atoms Family."

chem4kids - Although parts of this site are by "subscription only", there is still a worthwhile tutorial on chemistry basics free of charge.

Science Experiments

Science Fair Central - From the Discovery Channel, find project topics and a complete handbook on doing science fair exhibits.

Energy Quest - Energy experiments from the California Energy Commission.

The Globe Program - Global Learning and Observations to Benefit the Environment. Ecology website.

Reeko's Mad Scientist Lab - Almost 50 science experiments for teens to do.

ISD77: CyberFair - Science Fair Ideas - Get ideas, see sample projects, and get guidance on completing your science project.

Science Fair Project Resource Guide - Information on the scientific method and links to science fair web sites from the Internet Public Library.

Thinking Fountain - Over 60 science activities and experiments from the Science Museum of Minnesota.

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