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Your search has returned 17 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 predators now...

    03/25/2011 - 11:51
  • 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
  • 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 the ship dropped...

    11/13/2006 - 09:18 Earth
  • 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
  • Food for Thought

    Fruits and Veggies Limit Inflammatory Protein (with recipe)

    Over the past few years, many studies have linked an increased risk of debilitating illness—such as heart disease or diabetes—with chronically elevated blood concentrations of a protein typically associated with inflammation. In many cases, people with the indicated illnesses didn't even have a particularly level of inflammation. The good news: A new trial finds that eating plenty of fruits...

    12/01/2005 - 14:38 Nutrition
  • Food for Thought

    Carcinogens in the Diet

    It's official. The federal government now has added agents commonly found in overcooked meat to the list of potential cancer causers.

    On Jan. 31, the National Toxicology Program (NTP), part of the National Institutes of Health, published its latest update of materials known to cause cancer in people and others that are "reasonably anticipated" to do so. Among the 246 agents on...

    02/14/2005 - 17:21 Nutrition
  • Food for Thought

    Leaden Gardens

    Soils in many cities of the United States carry a poisonous legacy: heavy concentrations of lead. The metal was deposited for years as fallout from flaking leaded house paint and the emissions of cars burning leaded gasoline. Recognizing the threat posed by tainted soil, environmental scientists have warned that growing edible plants in soils near streets or within several feet of homes and...

    12/04/2003 - 17:26 Earth & Environment
  • Food for Thought

    Wash Those Hands!

    When physicians talk about food poisoning, they're not usually referring to the effects of natural toxins made by plants or animals. But some foods do carry that danger. For instance, potatoes can develop pest-deterring agents in and just under their skins that can sicken or, rarely, kill a person. And certain fish — such as the infamous puffer — produce chemicals that have done in more than...

    10/08/2003 - 13:10 Technology
  • Food for Thought

    Local Foods Could Make for Greener Grocers

    There was a time not so long ago when people tended to select the ingredients for their meals either from what was available that week at local markets or from out-of-season home-canned, -smoked, or -pickled goods in the family larder. No longer. Maryland cooks can pick up New Zealand lamb or Icelandic salmon any time of the year. Montana markets offer tropical bananas year-round. Indiana...

    07/29/2003 - 16:25 Agriculture
  • News

    Quantum quirks quicken thorny searches

    It's tough enough to find a specific entry in a crazy phone book in which names are listed randomly rather than alphabetically. It's even harder when you don't know the complete name and have only fragments of an address or a phone number.

    Researchers have shown theoretically that quantum physics offers powerful methods for speeding up database searches (SN: 8/31/96, p. 143: http://www....

    11/19/2002 - 18:08 Physics