Vol. 168 No. #2
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More Stories from the July 9, 2005 issue

  1. Health & Medicine

    Stem cell shift may lead to infections, leukemia

    Aging of blood-producing stem cells could be responsible for the relatively high incidence of infections and myeloid leukemia in the elderly.

  2. Tech

    A nanoprinter for cheaper diagnostics

    Using strands of DNA as movable type, scientists have created a miniaturized printing technique for mass-producing medical diagnostic chips.

  3. Astronomy

    Rumblings from a dead star

    The burned-out cinder left behind when a massive Milky Way star exploded recently underwent its own outburst.

  4. Animals

    More junk makes for better dads

    A new analysis links dutiful fatherhood in prairie voles to a stretch of DNA once dismissed as meaningless.

  5. Health & Medicine

    Epilepsy surgery stands test of time

    Brain surgery for people with severe epilepsy keeps many of these patients free of seizures for decades.

  6. Same Difference: Twins’ gene regulation isn’t identical

    As identical twins go through life, environmental influences differently affect which genes are turned on and which are switched off.

  7. Astronomy

    Core Finding: Latest, oddest planet hints at how orbs form

    A newly discovered planet beyond the solar system has the most massive core of any planet known.

  8. Plants

    Honey, We Shrank the Snow Lotus: Picking big plants reduces species’ height

    Years of harvesting the larger plants of a Himalayan wildflower used in traditional medicines may be driving the evolution of a stubbier plant form.

  9. Health & Medicine

    Heartening Responses: Depression drugs may aid survival after heart attack

    Depressed patients recovering from heart attacks receive big heart-health benefits by taking prescribed doses of the antidepressant drugs known as selective serotonin reuptake inhibitors.

  10. Chemistry

    Striking Oil: High-pressure processing minimizes trans fats

    Improvements in the techniques used to hydrogenate vegetable oils could soon fill store shelves with food products containing smaller percentages of unhealthful trans fats.

  11. Earth

    Growth Slumps: Melting permafrost shapes Alaskan lakes

    A new model suggests that some fast-growing, egg-shaped lakes in Alaska expand when their permafrost banks melt and slump in tiny landslides.

  12. Earth

    Volcanic Hot Spots

    Many geophysical studies, including analyses of deep-traveling seismic waves and computer simulations of flowing molten rock deep beneath Earth's crust, are providing evidence that mantle plumes actually exist.

  13. Night of the Crusher

    Sleep paralysis, a kind of waking nightmare experienced by people in all cultures, sometimes plays a key role in post-traumatic stress disorder and panic attacks and contributes to widespread beliefs in various spirits and supernatural beings.

  14. Planetary Science

    A Grand Slam

    A 372-kilogram copper projectile released from NASA's Deep Impact spacecraft successfully slammed into Comet Tempel 1 on July 4, producing some heavenly fireworks.

  15. Humans

    A New Publisher

    This week, we are pleased to welcome Elizabeth Marincola as the new president of Science Service and publisher of Science News. She succeeds Donald R. Harless, who retired after 34 years at Science Service, including 7 years as president and publisher of Science News. Elizabeth Marincola Marincola comes to us from the American Society for […]