Uncategorized

  1. Humans

    From the October 22, 1932, issue

    SUN, MOON AND STARS IN THE MOVIES Joshua, it is recorded, commanded the sun and the moon to stand still and they obeyed him. In this modern Yankee land and age of hustle, we are much less interested in making things stand still than in making them move faster. Present-day Joshuas would be more likely […]

    By
  2. Health & Medicine

    A Most Dreadful Pest

    Yellow fever was a deadly scourge that had a devastating effect on lives and economies throughout the 18th and 19th centuries. This engrossing Web exhibit features historical documents from the Walter Reed Yellow Fever Collection at the University of Virginia. It focuses on the work of the Reed Commission, which proved that the Aedes aegypti […]

    By
  3. Math

    Prime Pursuit

    A novel approach for identifying prime numbers provides a long-sought improvement in the theoretical efficiency of prime-detecting algorithms.

    By
  4. Humans

    From the May 3, 1930, issue

    MOON’S SHADOW AT ECLIPSE PHOTOGRAPHED Clouds over the sun broke away at Camptonville, Yuba County, California, two minutes before the total phase of the solar eclipse of the sun. Only the lightest haze remained, and the observations planned by the various expeditions located there were carried through successfully. The Lick Observatory-Crocker expedition under the direction […]

    By
  5. Astronomy

    A Hubble Decade

    To celebrate the Hubble Space Telescope’s 10th anniversary, the Space Telescope Science Institute in Baltimore, Md., has created a new Web site devoted to the Earth-orbiting telescope and its spectacular images. Offering much more than pretty pictures, the site recounts Hubble’s discoveries, illustrates how the telescope works, and suggests various educational activities and games. Until […]

    By
  6. Spying on Plant Defenses: Insects monitor toxin ramp-up

    A common caterpillar can sense when a plant is gearing up to manufacture insecticidal toxins and respond by starting up its own detoxification system.

    By
  7. Earth

    Snowball Melting? Ancient formation shows glacier activity

    An ancient, well-preserved glacial formation in Oman provided evidence that Earth experienced intermittent ice ages like those in Earth's more recent history.

    By
  8. Humans

    Nobel Chemistry: Laureates’ techniques enable researchers to probe large biomolecules

    The 2002 Nobel Prize in Chemistry recognized the work of three scientists who created tools for analyzing proteins and other large biological molecules.

    By
  9. Earth

    Contraceptive-Patch Worry: Disposal concern focuses on wildlife

    Some scientists now worry that discarded contraceptive patches may leak synthetic estrogen into the environment, potentially harming wildlife.

    By
  10. 19029

    Your readers need not wait to do less crying in the kitchen. All you have to do is put the onions in the refrigerator for a half hour or in the freezer for 10 minutes. Daniel F. BarightLebanon, Mo. Another solution is to do the chopping outside. I have found that more turbulent, outside air […]

    By
  11. Health & Medicine

    Less Crying in the Kitchen: Tasty, tearfree onions on the horizon

    The discovery of a new enzyme responsible for creating the tear-inducing chemicals found in onions may herald the arrival of genetically modified tearfree onions.

    By
  12. Astronomy

    Celestial Divide: Finding two families of galaxies

    By analyzing data from a mammoth sky survey, astromoners have found that galaxies divide into two distinct families, depending on their stellar mass.

    By