Available from any Denver Public Library or from home with a Denver Public Library Card. Don't have a library card? Sign up online!

Gale Virtual Reference Library Full-text science, medicine & health books online.

Encyclopedia Britannica Online News, research tools and articles.

Science Experiments Magazine, journal and reference articles.

AskColorado - Need homework help right now? Chat live with a librarian 24/7.

Multnomah County Library Science Links

Astronomy

Ask the Astronomer Answers to thousands of questions.

HubbleSite.org The latest information from the Hubble Telescope.

Nine Planets A multimedia tour of the solar system.

Overview of the Solar System Our solar system and beyond from NASA.

Windows to the Universe A user-friendly learning system covering the Earth and Space sciences. En español.

Biology and Genetics

Biology Online Ideal for homework help, this site includes a biology dictionary, tutorials and links to more biology help online. 

Online Biology Book Excellent resources, numerous diagrams, and well-written explanations.

Virtual Frog Dissection Kit Virtual online frog dissection.

Forensic Science Covers DNA fingerprinting, autopsy procedures, toxicology and much more.

Genetics Dictionary Talking glossary of genetic terms.

Genetics Primer Discusses cells Prokaryotic & Eukaryotic, genome, genes, replication, transcription, translation, cell division and much more!

Human Genome Project All about the project as well as Spanish language resources and Genetics 101.

Genetics and Ethics Critical issues and legislation surrounding genetic research.

Biodiversity

Audubon Society Audubon's mission is to conserve and restore natural ecosystems, focusing on birds, other wildlife, and their habitats for the benefit of humanity and the earth's biological diversity.

Animal Diversity An online database of animal natural history, distribution, classification and conservation biology.

Biomes of the World Information on the world’s major communities, classified according to the predominant vegetation and the adaptation of organisms.

World Wildlife Federation Endangered Species Discover endangered species from Atlantic salmon to whales. 

Chemistry and Physics

Periodic Table of Elements Lots of information on all elements.

General Chemistry Online Glossary, tutorials and chemistry exam survival kit.

World Physics Easy to understand topics in all areas of physics.

Physics Classroom Physics concepts explained with quizzes to test your understanding.

Earth Science

Encyclopedia of Earth An electronic reference about the Earth, its natural environments, and their interaction with society.

Earth & Climate News Natural disasters, global warming, rainforests and other environmental issues.

Health

BAM! Body and Mind  BAM! will tell you all you need to know about all the stuff that matters – nutrition, diseases, your body and life challenges.

Medline Plus Trusted information with tutorials, illustrated encyclopedia and the latest health news.

Family Doctor Practical health information for the whole family.

Science Fair Projects

Science Experiments Magazine, journal and reference articles.

Science Buddies Free science fair projects, ideas, answers and tools.

Sciencehound Science Fair Projects Browse hundreds of projects with complete instructions.

Books

Check out the following books from your local Denver Public Library branch.