Vol. 166 No. #24
Archive Issues Modal Example

More Stories from the December 11, 2004 issue

  1. Health & Medicine

    Up and down make different workouts

    An unusual study conducted on an Alpine mountainside suggests that climbing a steep slope improves the body's ability to process certain fats, while descending such a slope enhances metabolism of a key sugar.

  2. Health & Medicine

    Sleeve worn on heart fights failure

    A new mesh wrap can be placed around an expanded and weakened heart to restore the organ to an efficient, elliptical form.

  3. Astronomy

    Gamma view of a big blast

    Astronomers have for the first time used extremely high-energy gamma rays to image a celestial body.

  4. Health & Medicine

    TB vaccine gets a needed boost

    An experimental vaccine against tuberculosis imparts significant immunity, but only in people who have previously received the existing bacille Calmette-Guérin vaccine for TB.

  5. Mice smell a mate’s immune system

    By sniffing molecules present in urine, mice gain insight into each other's immune systems.

  6. Archaeology

    China’s Fermented Past: Pottery yields signs of oldest known wine

    Analyses of ancient pottery have yielded evidence the people living in northern China 9,000 years ago concocted a fermented, winelike drink from rice, honey, and fruit.

  7. Cloning Milestone: Monkey embryos urged to stem cell stage

    Researchers have coaxed cloned rhesus macaque embryos to grow to the blastocyst stage, the furthest point yet reached in cloning a nonhuman primate.

  8. Astronomy

    Disks of Dust: Planet-stuff surrounds other sunlike stars

    Two orbiting observatories for the first time are homing in on planetary debris circling sunlike stars.

  9. Health & Medicine

    Smog Clogs Arteries: Pollution does lasting harm to blood vessels

    Air pollution does long-term damage to people's arteries, leading to increased risk of heart attack and stroke, a Los Angeles study confirms.

  10. Physics

    Swift Lift: Birds may get a rise out of swirling air

    The wings of airborne birds may generate whirlpools of air to produce lift for flying, just as insects do.

  11. Materials Science

    Color Collective: Polymer self-assembles into light-emitting film

    Stacks of sheets of light-emitting organic molecules that assemble into nanoscale structures could be more efficient and luminescent than existing display materials based on organic substances.

  12. Health & Medicine

    Stemming Incontinence: Injected muscle cells restore urinary control

    Stem cells removed from healthy muscle, grown in a lab, and inserted back into women with urinary incontinence can rebuild a muscle needed to control urine flow.

  13. Chemistry

    Recipe for Roman cosmetic revealed

    British chemists have found that a white material inside a small tin canister excavated from a 2000-year-old Roman temple is an ancient cosmetic face cream.

  14. Anthropology

    Remnants of the Past

    Sophisticated analyses suggest that some prehistoric peoples were highly skilled weavers.

  15. Astronomy

    Explosive Tales

    Four hundred years after the explosion of the Kepler supernova, the last such stellar eruption in our galaxy, astronomers have examined the supernova's remnant with state-of-the-art telescopes that view it in infrared, optical, and X-ray light.

  16. Humans

    Letters from the December 11, 2004, issue of Science News

    Mover Earth I would have thought that it is more likely that Earth’s hum creates the weather patterns (“Humming Along: Ocean waves may cause global seismic noise,” SN: 10/2/04, p. 212: Humming Along: Ocean waves may cause global seismic noise) than the other way around. Judy AngelGlasgow, Scotland Nuclear fallout “Hurrying a nuclear identity switch” […]