Notebook

  1. Archaeology

    Chaco’s Past

    Explore the intersection of modern science and ancient cultures at a Web site about New Mexico’s Chaco Canyon, launched by the Exploratorium in San Francisco. The site includes a look at connections between celestial alignments of prehistoric buildings in the canyon and recent solar research. It also contains a teacher’s guide to classroom activities for […]

    By
  2. Humans

    From the January 19, 1935, issue

    Unusual twin girls, recording brain waves, and making heavy hydrogen.

    By
  3. Planetary Science

    A Year on Mars

    Catch up with the amazing, ongoing adventures of the rovers Spirit and Opportunity, still ticking on the surface of Mars. These multimedia pages provide maps and routes, images, and accounts of discoveries as the two vehicles explored the Red Planet. Go to: http://www.jpl.nasa.gov/multimedia/mer-year/

    By
  4. Humans

    From the January 12, 1935, issue

    A Mayan figurine, star composition, and gene locations.

    By
  5. Humans

    Puzzle of the Week

    Eager to exercise your mind and join in a friendly puzzle-solving competition? Try the weekly challenge at the new PuzzleUp Web site, created by Emrehan Halici, a software and game developer in Turkey. Go to: http://www.puzzleup.com/

    By
  6. Humans

    From the January 5, 1935, issue

    Karl T. Compton, Einstein explains relativity theory, and controlling cancer cells.

    By
  7. Tsunamis and Other Natural Hazards

    The “Natural Hazards” section of NASA’s Earth Observatory Web site has many orbital images of tsunami damage resulting from the magnitude 9.0 earthquake that occurred near Indonesia on Dec. 26, 2004. The site also has links to orbital images of wildfires, floods, and erupting volcanoes. Go to: http://earthobservatory.nasa.gov/NaturalHazards/

    By
  8. Byrd Flight

    Produced by the National Science Foundation, this Web site commemorates explorer Richard Evelyn Byrd’s historic flight to the South Pole about 75 years ago. Chronicling how aircraft make scientific research in polar regions possible, the site contains an overview of Byrd’s accomplishments. It also features a first-person account of a commemorative flight that recently retraced […]

    By
  9. Humans

    From the December 29, 1934, issue

    A young Crater Lake in Oregon, the internal structure of chromosomes, and a revolutionary method of electric power transmission.

    By
  10. Dynamic Earth

    Rocks and minerals are the stars of this lively, interactive online exhibit from the Smithsonian Institution’s Museum of Natural History. In the pages now available (with much more to come), learn about various aspects of rocks and mining. The site includes a photo gallery devoted to minerals and a selection of mineral-related screen savers and […]

    By
  11. Humans

    From the December 15 & 22, 1934, issues

    Life on Mars, a substitute for morphine, the statistics of human behavior, ice and snow, and the top science stories of the year (1934).

    By
  12. Humans

    From the December 8, 1934, issue

    Goose barnacles, the formation of elements, and the nature of cosmic rays.

    By