Vol. 173 No. #7
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More Stories from the February 16, 2008 issue

  1. More evidence that flies sleep like people

    A brain chemical puts fruit flies to sleep.

  2. Animals

    Bird fads weaken sexual selection

    There's a new look for a hot male among lark buntings every year.

  3. Tech


    Researchers have used DNA as Velcro to create the first materials that spontaneously assemble into regular 3-D patterns.

  4. Humans

    Heed your elders, survive a tsunami

    An oral tradition passed down among islanders in the South Pacific saved many lives during a tsunami last year and illustrates the benefits that community-based education and awareness programs can provide.

  5. Health & Medicine

    Caffeine intake tied to miscarriage

    Intake of caffeine equal to two cups of coffee per day seems to double a woman's risk of miscarriage.

  6. Paleontology

    Flying Deaf? Earliest bats probably didn’t echolocate

    Fossils of a cardinal-sized creature recently unearthed in western Wyoming suggest that primitive bats developed the ability to fly before they could track their prey with biological sonar.

  7. Animal Origins: Genome reveals early complexity

    Analysis of DNA from a choanoflagellate, the closest known living nonanimal relative of animals, allows scientists to infer the genetic starter kit possessed by the first animal.

  8. Astronomy

    Going the Distance: Galaxies may hail from early universe

    Using a cosmic magnifying glass to peer into the deepest reaches of space, two teams of astronomers have discovered tiny galaxies that may be among the most distant known.

  9. Health & Medicine

    Drug Running: Bust nets suspects in counterfeit antimalaria trade

    Investigators have traced the source of counterfeit antimalarial pills in Southeast Asia to southern China, where suspects have been arrested and an illicit factory shut down.

  10. Astronomy

    Where stars are born

    Some 300 young stars, hidden in visible light, shine through the dust in a new infrared portrait of the main cloud of a nearby star-forming region called Rho Ophiuchi.

  11. Swell, a Pain Lesson: Gut microbes needed for immune development

    Intestinal bacteria train the immune system to cause pain and swelling, but that's a good thing.

  12. Earth

    Don’t like it hot

    King penguins don't live on continental Antarctica but even they are vulnerable to warming water.

  13. New World Stopover: People may have entered the Americas in stages

    People first reached the edge of the Americas about 40,000 years ago but had to stay put for at least 20,000 years before melting ice sheets allowed them to move south and settle the rest of the continent.

  14. Health & Medicine

    Weighty Evidence

    Connections between the family of insulin hormones and cancer have been suspected for more than 2 decades, and today, drug companies are testing anticancer drugs based on the actions of an insulin cousin.

  15. Physics

    Extreme Measures

    Physicists use atom interferometry to measure gravity and other forces with unrivaled precision, and the technique could potentially guide airplanes and uncover buried caches of oil and diamonds.

  16. Humans

    Letters from the February 16, 2008, issue of Science News

    Inert placebo? Regarding “Getting the Red Out” (SN: 1/19/08, p. 35): While drug companies wish to market their products, my attention is drawn to the fact that 1 in 8 of the control group of psoriasis patients was cured by placebo effect. Who will investigate the process therein? Is there a market for it? Carson […]