Science

The Earth Portal A comprehensive resource for timely, objective, science-based information about the environment. It contains no commercial advertising and reaches a large global audience. One of its chief components is the Encyclopedia of Earth, with over 3,500 articles, produced by 1,000 scholars from 60 countries.

Exploratorium The museum of science, art and human perception.

Heavens Above Customized star charts and astronomical data based on your geographic location.

HowStuffWorks Easy-to-understand explanations of how the world actually works.

Merck Veterinary Manual Learn how to take care of your pet's medical needs with this comprehensive site. Search by topic, species, specialty, disease, and keyword.

NASA National Aeronautics and Space Administration website featuring information on missions, astronomical images, astonauts and much more.

Nature Watch Volunteer to monitor soil, air, water and other aspects of environmental quality. Get to know nature!

Quirks & Quarks CBC radio program covering the latest in science, technology, medicine and the environment.

Science.gov Although this is an American site, it serves as a portal to 1800 scientific web sites and more than 50 million pages of scientific information.

Scientific American The oldest continuously published magazine in the U.S., has been bringing its readers unique insights about developments in science and technology for more than 150 years.

Views of the Solar System Study the history of space exploration, rocketry, early astronauts, space missions and spacecraft through a vast archive of photographs, scientific facts, text, graphics and videos.