Vol. 170 No. #4
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More Stories from the July 22, 2006 issue

  1. Planetary Science

    Some deadly monikers

    Two recently found small moons orbiting Pluto have now been officially dubbed Nix and Hydra.

  2. Animals

    Stilts for ants make case for pedometer

    Changing the leg length of desert ants upsets their ability to judge distance, providing the first evidence in any animal of a built-in odometer based on stride.

  3. Why people punish

    When punishing criminals, people tend to seek retribution, not deterrence.

  4. Plants

    Orchid bends around to insert pollen

    An orchid species in China has set a new record for acrobatics in self-pollination, twisting its male organs around and inserting them into the cavity where the female organ lies.

  5. Mammoths: Blondes and brunettes?

    The wool of woolly mammoths may have come in at least two shades.

  6. Health & Medicine

    Ingredient might prevent sexually transmitted disease

    A seaweed derivative that's commonly added to many consumer products as a thickening agent can inhibit the virus that causes cervical cancer and genital warts.

  7. Earth

    Alaskan coral beds get new protection

    To protect cold-water corals, huge areas of Alaskan waters will be off limits to trawls and other fishing gear that typically scrape the seafloor.

  8. Earth

    Global warming heats up nursery of hurricanes

    Sea-surface temperatures in the North Atlantic Ocean reached record highs last year.

  9. Physics

    Terrific Timekeeper: Optical atomic clock beats world standard

    An innovative atomic clock is more precise than the breed of clocks that's been the best for 50 years.

  10. Bee Concerned: Big study—Selective pollinators are declining

    A new study provides evidence of a decline among some of Europe's insect pollinators and the wild plants that need them.

  11. Gender Divide: Gene expression differs in males and females

    The two sexes vary in the amounts of proteins produced by thousands of genes.

  12. Deadly Disorder: Imagined-ugliness illness yields high suicide rate

    The suicide rate among people with a psychiatric disorder that causes them to perceive themselves as ugly is higher than that among people with major depression.

  13. From Mind to Matter: Data analysis challenges psychokinesis

    Numerous experiments in which volunteers mentally attempt to influence the output of computers that generate random sequences of 1s and 0s have failed to show that individuals can use their minds to manipulate the physical world.

  14. Earth

    Sandy clues to ancient climate

    The orientation of dunes in north-central Nebraska indicates that the climate there a millennium ago was much different than it is today.

  15. Health & Medicine

    Big Headache: Auras may add risk to migraines

    Women who experience migraines that are preceded by sensory irregularities face a heightened risk of heart attack and stroke.

  16. Astronomy

    Recurrent Eruption: Explosive stellar saga

    Six thermonuclear explosions have ripped off the outer layers of a dense, nearby star in the past 108 years.

  17. Bringing Up Baby’s DNA

    Researchers are developing ways to harvest babies' genes in less invasive ways.

  18. Math

    Chaotic Chomp

    A new, physics-based approach to analyzing simple games, such as Chomp and Nim, reveals changing geometric patterns reminiscent of crystal growth.

  19. Humans

    Letters from the July 22, 2006, issue of Science News

    First, count all the lawyers The study in “Legal Debate: Assumptions on medical malpractice called into question” (SN: 5/13/06, p. 291) fails to address the more disturbing issue: Most of the insurance money (apparently) goes to lawyers (both sides), and very little to those injured. Peter WilsonSimi Valley, Calif. The numbers in the story pose […]