Science & Technology               Science and Technology

General Science       How and Why        Inventions        History        Magazines Online               
      TV Science Online         Mathematics        Measurement        Time      Astronomy  
  Biology/Life Sciences          Botany/Plants      Chemistry      Geology/Earth Science    
       Natural Hazards         Rocks and Minerals          Weather         
 Paleontology        Physics        Zoology/Animals

General Science

Smithsonian Institution (Site index by topic provides numerous links)
USGS Learning Web (Biology, Geology, Hydrology, Geography)
The Why Files (Search the National Science Foundation's Why Files and read recent science news.
American Museum of Natural History
The Museum of Science, Art, and Human Perception  (Exploratorium.edu)

How and Why

How Stuff Works (Engines, electronics, household appliances, food, your body, all sorts of technologies)
Mad Scientist Network (Searchable.  Ask-a-Scientist archives, Mad Labs fun with Science, more)
How Things Work ( the physics of everyday life, topical list)
Science Whatzit ( Science questions answered by OMSI)

Inventions

Invention Dimension (Invention related links & resources)
Inventors (Includes black inventors, women, more)
The Tech Museum of Innovation (Computers, satellites, DNA, robotics, lasers, more)
Scientific Discoveries & Inventions throughout the 20th Century 
Inventure Place (Hall of fame, invention links)

History

Great Engineering Achievements of the 20th Century
ECHO Virtual Center History of Science, Technology & Medicine (Bios , more)
Internet History of Science Sourcebook (History of science including Scientific Revolution, Industrial Revolution, Egypt, Darwin, and more)

Magazines Online

Discover
National Geographic
National Wildlife Federation (National Wildlife Magazine, International Wildlife, Ranger Rick, Your Big Backyard)
Natural History
Nature
Popular Mechanics
Popular Science
Science Magazine
Science Online
Science News Online (Search the archive issues from 1996 to present)
Scientific American (Read articles, visit explorations and ask an expert)
Sky & Telescope (Discoveries and explorations into space, stargazing advice, more)
Smithsonian Magazine

TV Science Online

Discovery Channel Online
Nye Labs Online "Bill Nye, the Science Guy" (Ingredients, procedures, explanations for experiments)

Mathematics

The Math Forum Home Page (Find formulas fast)
The MacTutor History of Mathematics Archive (Biographies, math topics, math in various cultures)
Create a Graph

Measurement

Measure 4 Measure (links to measurement conversion pages useful in science, math, health, and finance)

Time

Time Service Department, U.S. Naval Observatory (official source of time used in the U.S.)
World Time
Greenwich 2000:  TIME - GMT (The Home of World Time Since 1884)

Astronomy

The NASA Homepage (Space Exploration and Astronomy Links)
The Nine Planets (Resource for researching the solar system.  Photographs, data, and glossary)
Zoom Astronomy (Solar system and space, photos, data, astronomy dictionary)
Stars (information about stars and their constellations)
Astronomy.com
Astronomical Applications:  Data Services (Sunrise and sunset, moonrise and moonset, twilight data, moon phase and illumination data)
Expanding Universe ( a classified search tool for amateur astronomy, by the Metropolitan Toronto Reference Library)
Students for the Exploration and Development of Space (space images archive, lunar resources, constellations, astronomy resources and links)

Biology/Life Sciences

Biological Resources Division (everything from the National Biological Information Infrastructure to the Kid's Corner, from the U.S. Dept. of the Interior)
Biomes of the World ( Detailed survey of world biomes and human effects on each biome)
Ecosystems, Biomes, and Habitats (Franklin Institute)
Endangered Species Program ( Wealth of information from U.S. Fish and Wildlife Service)
Gray's Anatomy of the Human Body

Botany/Plants

Plants National Database (a single source of standardized information about plants from the National Plant Data Center in Baton Rouge, LA.)
Scott's Botanical Links (botany education resources)

Chemistry

Chemicool (periodic table of the elements)
WebElements (the periodic table on the WWW)
Periodic Table of the Elements 
Chemfinder (Data about various chemicals)

Geology/Earth Science

General

Earth Introduction (overview of the earth and earth science)
Geologic Information (from USGS)
Water Science for Schools (from USGS)
  

Natural Hazards

Earth Observatory Natural Hazards Links (Links to windstorms, floods, fires, earthquakes)
Eye on the World:  Violent Planet (Links to earthquakes, fire, tsunamis, volcanoes)
National Earthquake Information Center (Largest earthquakes since 1900 with maps)
Global Volcanism Program ( Smithsonian Institution site, visit specific volcanoes)
Tsunami
Volcano World

Rocks and Minerals

The Mineral Gallery (Rocks and minerals by name, class or grouping.  Searchable)
Smithsonian Gem & Mineral Collection

Weather

The Weather Channel (Timely forecasts and weather information for U.S.)
National Weather Service, Memphis, TN (Up-to-date weather forecasts, satellite pictures, watches and warnings for the Eastern U.S.)
USA Today Weather
UM Weather (USA, Canada, Tropical, Fast Forecast feature)
Weather Underground (International, USA, states, more)
Tornado Project Online (Info on recent and past tornadoes, top ten tornadoes, myths and stories, storm chasing, fujita scale, tornado safety)
National Hurricane Center (Information about present and past hurricanes)

Paleontology

University of California Museum of Paleontology (Dinosaurs, more)
Virtual Tour of Dinosaur Exhibits (from the Smithsonian's Museum of Natural History)

Physics

Physics Web  (Physics news, jobs & resources)

Zoology/Animals

The Electronic Zoo (Well-arranged, large amount of info about animals)
Animal Resources (Searchable Animal Information Database from Sea World/Busch Gardens)
Bird Checklists of the United States (Compiled by the Northern Prairie Wildlife Research Center)
BugBios (Insect information)
BugInfo (from Smithsonian Institution)
 

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