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  1. Abacus, The - Instructions on how to use a real abacus, and a chance to play with the online Java model.
  2. Alive on Everest - NOVA Online
  3. American Chemical Society - "The worlds largest scientific society."
  4. Artificial Life Online
  5. Aurora Page, The - links from around the world that have information on the aurora borealis or northern lights.
  6. Beckman Institute for Advanced Science and Technology
  7. Becoming Human - Site is designed to teach a general audience about human evolution and the search for early hominid life in the field. Journey through the story of human evolution.
  8. Biology Project, The
  9. Cells Alive
  10. Chaos Group at the Univ. of Maryland
  11. Chemistry - the environment, biochemistry, and inorganic, organic, and medicinal chemistry
  12. Chocolate - This special online-only edition of Exploring takes a closer look at the sweet lure of chocolate. Site examines the fascinating -- and often misreported -- history of chocolate, follow the chocolate-making process, and take an online visit to a chocolate factory. Also explored is the science of chocolate, and find out about the latest research into the possible health effects of its consumption.
  13. CNN - Science and Technology News
  14. DNA From The Beginning - This site provides an animated primer on the basics of DNA, genes, and heredity. Information is organized around key concepts. The science behind each concept is explained by: animation, image gallery, video interviews, problem, biographies, and links.
  15. DNA Learning Center, The - a multimedia primer on the basics of DNA and heredity. The Resources section offers Bioservers, which allow for the use of bioinformatics or the use of computers to solve biological problems.
  16. Dinosauria Online
  17. Discover Magazine
  18. Discovery Channel Online
  19. Dive and Discover: Expeditions to the Seafloor - Join scientists as they dive to the mid-ocean ridge thousands of meters deep. Explore towering underwater volcanoes, black smokers, and bizarre creatures that live there.
  20. - "Here you can find data on thousands of materials, refreshers on engineering formulas and math, and information on design processes."
  21. Albert Einstein Online
  22. Electronic Emissary
  23. Explorit Science Center
  24. Extreme Science - provides pictures, short informational paragraphs, types of scientists who study these phenomena, and where to go for more information.
  25. Franklin Institute Science Museum
  26. Galileo Project, The - learn all about Galileo's life and times
  27. Gene Map of the Human Genome - shows the chromosome location of over 30,000 human genes with links to the underlying sequence and map data.
  28. - This site offers links to popular topics in Geology and earth sciences. Satellite images, job information, geology dictionary, geology news and tools. Features include: an Earth Science dictionary of over 500 terms; printable geologic time scale; printable mineral identification chart; directory for jobs and careers in Earth Science; over 200 satellite images of cities, states, and countries.
  29. Glossary of Mathematical Mistakes
  30. Government Science Portal - This site by is a gateway to authoritative selected science information provided by U.S. Government agencies, including research and development results. Explore selected Web sites by topics ranging from Agriculture & Food to Science Education.
  31. How Volcanoes Work - Tornadoes leave destruction in their wake. Learn why tornadoes rotate, how experts rate tornadoes and view pictures of damage caused by tornadoes.
  32. HubbleSite News Center
  33. Hubble Space Telescope Home Page - Space Telescope Science Institute
  34. IEEE Home Page
  35. - site focusing on civil engineering knowledge and technology.
  36. Informedia
  37. International Standards Organization
  38. Laws List - Laws, rules, principles, effects, paradoxes, limits, constants, experiments, & thought-experiments in physics.
  39. Learning about Photosynthesis - An annotated collection of links about the photosynthesis process. From the Arizona State University.
  40. The MAD Scientist Network
  41. Mars Pathfinder
  42. Martindale's Calculators - Online Center - over 18,000 online calculators.
  43. Mathematical Quotations Server
  44. Measurements Converter
  45. MechaniCalc - "MechaniCalc is a suite of web-based calculators intended to assist in the design and analysis tasks of a mechanical engineer. These calculators are focused on machine design and structural analysis, and they perform analysis with a level of detail and comprehensiveness that would be expected in industry while being intuitive and accessible."
  46. Microscapes: Images from the Microscope
  47. The Mineral Gallery
  48. Molecular Structure Center: Indiana University
  49. Monterey Bay Aquarium
  50. NASA Home Page, The
  51. NASA DSCOVR: EPIC - 'Daily natural color imagery of Earth from the EPIC camera onboard the DSCOVR spacecraft.'
  52. NASA Thesaurus
  53. NSSDC Photo Gallery
  54. National Geographic Online
  55. National Institute of Standards & Technology
  56. National Science Foundation
  57. Natural History Museums and Collections - collection of Web-connected natural history museums around the world. Organized by country.
  58. New Scientist: Planet Science
  59. Oceanography - The US Navy Office of Naval Research presents this science and technology site with a focus on ocean facts and information. Learn about waves, tides, currents, habitats, marine mammals and more.
  60. On The Ball: Scientific American Frontiers - Read about the ways that today's technology can give athletes an edge, aid officials, and enhance the spectator's experience of the game on this companion site to the PBS special 'On The Ball.'
  61. Our Beautiful Planet - "The Finest Our Planet Has To Offer!"
  62. Particle Adventure, The - Site allows you to explore the world of fundamental particles and forces and then to investigate the experimental evidence and techniques. games, experiments and other resources designed to appeal to kids of all ages, as well as their parents.
  63. Physics for Free - This site contains two free books by Emeritus Professor Frank Firk, former Chairman of the Department of Physics and Master of Trumbull College, Yale University. The first, Essential Physics 1, is an intensive introduction for potential Physics majors. The second, Introduction to Groups, Invariants & Particles, is a book for Seniors and advanced Juniors, majoring in the Physical Sciences.
  64. PhysLink - Physics and education, online education and reference.
  65. Pi: Fifty Interesting Facts - "Random facts about the elusive pi, including history and myth, its place in literature and philosophy, and amazing statistics."
  66. Poisonous Plants Guide - Online guide on more than 100 poisonous plants. Information on each plant includes common and botanic name; color photograph; description; habitat; animals (including people) affected; toxic principle; gastrointestinal, nervous, integumentory, and other system symptoms; and treatment.
  67. Popular Science Magazine
  68. Powers of Ten - View the Milky Way at 10 million light years from the Earth. Then move through space towards the Earth in successive orders of magnitude until you reach a tall oak tree just outside the buildings of the National High Magnetic Field Laboratory in Tallahassee, Florida. After that, begin to move from the actual size of a leaf into a microscopic world that reveals leaf cell walls, the cell nucleus, chromatin, DNA and finally, into the subatomic universe of electrons and protons.
  69. Profiles in Science This site makes the archival collections of prominent twentieth-century biomedical scientists available to the public through modern digital technology. The collections have been donated to the National Library of Medicine and contain published and unpublished materials, including books, journal volumes, pamphlets, diaries, letters, manuscripts, photographs, audio tapes, and other audiovisual materials.
  70. - guide to radioactive waste, nuclear, radiation and environmental resources on the internet.
  71. Reade Advanced Materials Supersite - reference information relating to mineral, metal, ceramic & composite materials used in chemical applications.
  72. Rough Science - A deserted island. Five scientists. Knowledge, ingenuity and resourcefulness their only assets. Whach what happens on this companion site to the PBS special 'Rough Science.'
  73. Royal Society of Chemistry: Visual Elements Periodic Table - "The Royal Society of Chemistry’s interactive periodic table which includes Murray Robertson’s Visual Elements artwork. Hover over the elements to see key facts and the supply risk which highlights elements where limited abundance may hinder the production of new technologies. Click the elements for interesting facts, atomic data, isotopes and more."
  74. SciCentral - gateway to over 50,000 sites pertaining to over 120 specialties in science and engineering.
  75. Science-A-GoGo
  76. Science and Technology - My Virtual Encyclopedia
  77. ScienceDaily
  78. Science Friday - Ira Flatow, the host of the popular Science Fridays radio show on National Public Radio, has taken his program to the Internet.
  79. Science Frontiers - A digest of reports describing 1800 scientific anomalies.
  80. Science News - "Science News is an award-winning weekly newsmagazine covering the most important research in all fields of science."
  81. Scientific American Online
  82. SciTech Daily Review - an updated report of science news and reviews.
  83. Secret Life of the Brain, The - This PBS site reveals the fascinating processes involved in brain development across a lifetime. You will be informed of exciting new information in the brain sciences, meet the foremost researchers in the field, and experience dynamic visual imagery and compelling human stories to help a general audience understand otherwise difficult scientific concepts.
  84. Smithsonian Institution Home Page
  85. Statistical Reports on U.S. Science and Engineering
  86. Sunspots - The Exploratorium's Guide to Sunspots.
  87. The Daily Research - "Learn more about the world around you. You'll be amazed with animals, people or science facts we post here on The Daily Research."
  88. This Dynamic Earth: The Story of Plate Tectonics - complete text and figures from this book published by the U.S. Geological Survey.
  89. - "The page displays current top shared science news from around the web and is updated every 4 hours with new articles."
  90. Virtual Frog Dissection Kit
  91. Virtual Lab - launch metal balls and fry electrical circuits to your heart's content without risking life and limb.
  92. Visual Human Project - U.S. National Library of Medicine
  93. Why Files, The - The science behind the news."
  94. Wolfram Alpha - "Wolfram|Alpha gives you access to the world's facts, without searching. See what everyone is talking about."
  95. Wolfram MathWorld
  96. Wonder of Physics, The

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