Uncategorized

  1. 19498

    I wonder if the upsurge in alien, invasive species in real estate boom areas is, at least in part, because of careless gardening. Many people introduce non-native plants into their landscape without regard to the potential for domination of these pretty plants over native species. Carol SenskeGreen Lane, Pa.

    By
  2. Astronomy

    A dwarf with a disk

    The Hubble Space Telescope has examined in unprecedented detail a ring of debris around a star that could be the nearest and youngest known home for planets outside the solar system.

    By
  3. Earth

    Ocean-sensor project reaches milestone

    Oceanographers seeking to deploy an armada of 3,000 robotic probes to take the pulse of Earth's oceans have passed the halfway mark and hope to have the full array of sensors in place by 2007.

    By
  4. Humans

    Helping patients decipher options

    Scientific publishers and research organizations are preparing to launch a Web site that will make new research findings available to the public in an easy-to-understand context.

    By
  5. Physics

    Probe bares heart of X-ray inferno

    Physicists have snapped the first real-time pictures of the exploding core of the world's most powerful X-ray source other than a nuclear bomb.

    By
  6. Health & Medicine

    Food Colorings

    Many deeply hued plant pigments appear to offer health benefits, from fighting heart disease and obesity to preserving memory.

    By
  7. 19497

    I envision a beautifully colorful potato salad utilizing multiple colors of potatoes. But would a cooked mixture be like carrots with potatoes (minimal bleed) or like beets with anything else (maximum bleed)? Lorraine BauderSudbury, Mass. The red and blue pigments in the new potato lines are “water soluble and will leach,” notes USDA’s Charles R. […]

    By
  8. Tech

    Frankenstein’s Chips

    As evidence mounts that drug-safety trials can miss dangerous effects, scientists are building living, miniature models of animals and people to enhance drug and chemical tests.

    By
  9. Math

    Artful Routes

    Finding the shortest routes linking cities can also produce intricate continuous-line portraits.

    By
  10. Earth

    Climate Storm: Kyoto pact is confirmed, but conflict continues

    Controversy flared over the link between climate change and increasing storm activity at the first international climate change meeting since the implementation of the Kyoto Protocol was assured.

    By
  11. Ecosystems

    Fallout Feast: Vent crabs survive on victims of plume

    Researchers in Taiwan propose an explanation for how so many crabs can survive at shallow-water hydrothermal vents.

    By
  12. Anthropology

    Suddenly Civilized: New finds push back Americas’ first society

    The earliest known civilization in the Americas appears to have emerged about 5,000 years ago in what's now Peru.

    By