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Your search has returned 43 articles:
  • Feature

    Big Fishing Yields Small Fish

    Sharks, billfish, cod, tuna and other fish-eating fish — the sea’s equivalents to lions on the Serengeti — dominated the marine world as recently as four decades ago. They culled sick, lame and old animals and kept populations of marine herbivores in check, preventing marine analogs of antelopes from overgrazing their environment.

    But the reign of large...

    03/25/2011 - 11:51
  • Feature

    Lettuce Liability

    Little more than a year ago, supermarkets from coast to coast stripped fresh spinach from produce aisles as a food-poisoning outbreak swept the nation. From mid-August through September 2006, virulent bacterial infections sickened at least 204 spinach consumers. Five died and 30 others suffered acute kidney failure.

    Among more than 3,500...

    12/03/2007 - 19:41 Agriculture
  • News

    How reading may protect the brain

    Workers at lead-smelting plants can suffer substantial neural damage from exposure to the toxic heavy metal. Workers who read well, however, experience comparatively less mental impairment, a new study finds.

    It's not that the better readers were smarter, but that they have more "cognitive reserve," explains study leader Margit L. Bleecker, a neurologist at the Center for Occupational...

    08/14/2007 - 13:33 Earth & Environment
  • News

    Crystal matchmaker

    Having evolved from mathematical playthings to curiosities of physics, the structures known as quasicrystals could become great tools for the electronics industry.

    Like crystals, quasicrystals are built from units of atoms arranged in an orderly fashion. But, unlike crystals, quasicrystals have building blocks that interlock in a pattern that doesn't repeat at regular intervals (SN: 10/...

    07/18/2007 - 12:34 Materials
  • Science Surfing

    Sounds of the Seasons

    A growing interest in acoustic ecology calls attention to the myriad ways in which sounds influence human behavior.

    Go to:

    12/13/2006 - 12:29
  • News

    A Fair Slice: New method makes for equitable eating

    Sometimes, a birthday celebration goes awry when a pair of partygoers squabble over the cake, both preferring the slice with the cherry or with the thickest icing. That sort of spat caught the attention of mathematicians, inspiring a new idea for making divisions fairly.

    The problem hinges on the definition of fair. Steven Brams of New York University and his colleagues...

    12/13/2006 - 12:25 Numbers
  • Feature

    Dashing Rogues

    In February 1933, the Navy tanker USS Ramapo was steaming its way from the Philippines to San Diego in the midst of an exceptionally strong storm. The 146-meter-long ship was buffeted by near-hurricane–force winds. Early on the morning of Feb. 7, a wave far larger than the others surrounding the ship overtook the Ramapo from behind.

    As the stern of...

    11/13/2006 - 09:18 Earth
  • News

    Virtual reality for earthquake fears

    From Munich, at the Euroscience Open Forum meeting

    A team of researchers is developing computer-generated, virtual reality technology to prepare 12-to-16-year-old Greek children, including those with special needs, for a terrifying event they're likely to encounter: an earthquake.

    The researchers created a computer model of a local school filled with virtual students. The model...

    08/01/2006 - 13:03
  • News

    Alaskan coral beds get new protection

    Huge tracts of delicate coral gardens and soft-coral forests off the coast of Alaska will be permanently protected from fishing gear that targets groundfish and shellfish by scraping the seafloor.

    Most of the affected sites have never been disturbed by this gear. The National Oceanic and Atmospheric Administration (NOAA) on June 28 announced its new rule to preserve that...

    07/19/2006 - 10:04 Earth & Environment
  • News

    Easy Answers: Quantum computer gives results without running

    Physicists have long known that quantum computers have the potential to race through calculations trillions of times as fast as ordinary computers do. Now, it seems that those machines may not have to calculate at all to deliver answers.

    That seemingly absurd possibility, which was advanced as a theory several years ago, has now received experimental verification. What's more, although...

    02/22/2006 - 12:18 Physics