All libraries will be closed on Saturday, May 28th through Monday, May 30th for Memorial Day weekend.

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Science & Technology

Selected Websites


  • Alliance for Community Trees

    Information on trees and urban forestry. Included are a tree identification guide and help with tree selection, planting, and care.

  • PlantFacts

    Plant-related fact sheets from universities and government institutions in the U.S. and Canada.


  • Animal Diversity Web

    Physical characteristics, distribution, behavior, food, habitat, reproduction, economic importance, conservation of animal species. Many images of individual species.

  • Butterflies of North America

    Size, identifying characteristics, life history, flight, food, habitat, and range and conservation status of butterfly species. Includes photos of adults and caterpillars, as well as distribution maps.

  • FishBase

    All you ever wanted to know about the biology of freshwater, saltwater, and aquarium fish species.

  • International Wolf Center

    Learn about the wolf from the Ely, MN organization that seeks to foster the animal's survival by teaching about its life, its association with other species and its dynamic relationship to humans.

  • Minnesota Ornithologists' Union

    Everything you want to know about birds and birding in Minnesota.

  • Minnesota Zoo

    Zoo events and general information, plus a virtual tour with a description of each of the zoo animal species.

  • National Audubon Society

    Birds and their ecosystems. Site includes selected full-text articles published in Audubon Magazine from mid-1999 to date.

  • Raptor Center

    Fact sheets, images, and lesson plans relating to birds of prey, along with information on the conservation and raptor-saving efforts of the Center.

  • The Cephalopod Page

    All about octopuses, squid, cuttlefish and nautiluses. Species information and many images are included.


  • Ask Dr. Math

    Stuck on a math problem? Search the archives of responses to 5,000 questions others have asked, or submit your own question to Dr. Math.

  • Knot A Braid of Links

    More than 200 links to web sites on specific mathematical subjects, as well as online math journals, puzzle pages, and reference materials.


  • Bell Museum of Natural History

    Located on the Twin Cities campus of the University of Minnesota, this museum has a fascinating natural history collection and kid-friendly exhibits.

  • Cells Alive

    Richly illustrated introduction to plant and animal cell biology.

  • NatureServe

    Conservation information on more than 50,000 plants, animals, and ecological communities of the United States and Canada.

  • Scitable

    Articles and other resources for the study of genetics.

  • U.S. Fish and Wildlife Service Endangered Species Program

    Species information on threatened and endangered animals and plants in the United States and internationally.


  • Calculators Online Center

    An incredible array of calculators of all types, scientific and general, over 13,000 in all, arranged by subject.

  • Online Conversions

    Whatever unit it is that you need to convert to another, there's probably a calculator among the 9000 on this site that will do it for you.


  • Chem4Kids

    Chemistry information for anyone (child or adult) needing a basic chemistry review.

  • WebElements

    Information about each of the elements, including history, sources, compounds, uses, forms and isotopes.

Earth Science

  • Dive and Discover

    Join scientists from the Woods Hole Oceanographic Institution as they map the seafloor, study underwater volcanoes and search for previously unknown life forms.

  • Earthquake Hazards Program

    Recent and major quakes; earthquake preparedness; research; fact sheets, and regional information from the U.S. Geological Survey.

  • The Visible Earth

    A collection of photographs, animations and visualizations revealing our ever-changing planet's landmasses, oceans and atmosphere, and documenting our impact upon it.

  • Windows to the Universe

    A user-friendly learning system on earth and space sciences. Topics ranging from geology to space weather are covered at beginner, intermediate and advanced levels.


  • EarthSky

    Transcripts, articles, teaching resources, and science news bulletins, from the daily science radio series hosted by Deborah Byrd and Joel Block.

  • Echo (Exploring & Connecting History Online) Virtual Center: Science & Technology

    A centralized guide to online information on the history of science and technology.

  • EurekAlert

    News in science, medicine and technology, and links to related Internet sites.

  • National Science Foundation

    Funding opportunities, statistical data, news about cutting-edge findings, discoveries, and scientific breakthroughs.

  • Science Museum of Minnesota

    Calendar of events, educational ideas and activities, information about the Museum's collections and research projects.

  • The Exploratorium

    The Internet "wing" of the San Francisco museum includes experiments, exhibits, and webcasting.

  • The Why Files

    Authoritative, plain English explanations of the science behind a wide variety of breaking news stories.


  • EnviroFacts Warehouse

    Databases developed by the US Environmental Protection Agency on the subjects of air pollution, chemicals, hazardous waste, risk management, toxic releases, drinking water safety, and related areas.

  • Envirolink Network

    Comprehensive information clearinghouse on conservation and environmental change.

  • Environmental Education Web Directory

    Megasite for locating environmental information, with thousands of links.

  • Great Lakes Environmental Research Lab

    National Oceanographic and Atmospheric Administration fact sheets, brochures, technical reports, current and historical data and forecasts for the Great Lakes.

  • Seek

    A directory of Minnesota environmental education resources.

  • University of Minnesota Extension Service

    Publications pertaining to Minnesota crops, soils, conservation, agricultural pests, plant pathology, fish and wildlife, forestry, wood and wood products, gardening, horticulture, livestock, health and human nutrition are included.


  • How Stuff Works

    Clear and comprehensive information on how things work.

  • InventNet

    Provides independent inventors with information to help them develop and market their inventions. Patent resources are linked.

  • Inventors

    Information on famous inventors and inventions. Features work by minority and women inventors and tutorials for students on patent searching and the process of inventing.

  • Minnesota Inventors Congress

    A resource center for the inventing community, based in Minnesota.

  • United States Patent and Trademark Office

    Obtain information on the patent process and search the US patent and trademark databases.

Human Body

  • InnerBody

    Illustrations and explanations and animations of human body systems and components.


Astronomy & Space

  • NASA Web Site

    Information about NASA Space Centers, space flight and exploration, satellites and much more. Offers a wide range of links, including a children's link called NASA Kids.

  • StarChild: A Learning Center for Young Astronomers

    A highly graphical astronomy site developed by NASA for children ages 4-14. The companion site for older students is Imagine the Universe,

  • Stephen Hawking's Universe

    Clear explanations of cosmological concepts, presentation of various theories of the origin of the universe, and biographies of individuals who have made significant contributions in cosmology.

  • The National Air and Space Museum

    History, science, and technology of aviation and space flight.

  • Windows to the Universe

    A user-friendly learning system on earth and space sciences. Topics ranging from geology to space weather are covered at beginner, intermediate and advanced levels.

  • Your Sky

    An interactive planetarium, from which sky maps may be produced for any time and date, viewpoint and observing location.

Science Fairs

  • Science Fair Project Index

    An index to books containing science fair project ideas for children in grades kindergarten through high school.

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