Vol. 167 No. #11
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More Stories from the March 12, 2005 issue

  1. Faces elicit strong emotions in autism

    Children with autism avoid eye contact because they experience uncomfortably intense emotional reactions when looking at faces.

  2. Anthropology

    Inside view of our wee, ancient cousins

    A tiny, humanlike species that inhabited an Indonesian island more than 20,000 years ago possessed a brain that shared some organizational features with Homo erectus, a large-brained human ancestor that thought in complex ways.

  3. Master gene found for insect smell

    A single gene may oversee the sense of smell in a variety of insect species.

  4. Astronomy

    Radiation from a baby star

    X-ray telescopes have captured the earliest and clearest view of the core of a gas cloud about to transform into a star.

  5. Health & Medicine

    Inner-brain electrode may curb depression

    Deep-brain electrical stimulation has shown promise in treating severe depression.

  6. Humans

    Death can outdo ABCs of prevention

    Abstinence and monogamy may deserve little, if any, credit for the recent drop in the proportion of Ugandans who are infected with HIV.

  7. Health & Medicine

    Injections cut need for HIV drugs

    An experimental vaccine, when given to people infected with HIV, appears to reduce their dependence on antiviral drugs.

  8. Health & Medicine

    Blindness Hazard: Gene variant tied to macular degeneration

    People who make a particular form of an immune system protein have a heightened risk of developing old-age blindness.

  9. Monkey See, Monkey Think: Grape thefts instigate debate on primate’s mind

    Rhesus monkeys treat a competitor's averted eyes as a license to steal his or her food.

  10. Planetary Science

    Slowpoke: Atmosphere put brakes on meteorite that formed famed crater

    The extraterrestrial object that gouged out Arizona's Meteor Crater about 50,000 years ago struck at a speed much slower than most scientists had previously proposed.

  11. Astronomy

    Weighing In on a Star: A stellar size limit

    A new study suggests that no star in our galaxy can weigh more than 150 times the mass of the sun.

  12. Health & Medicine

    Anoint Them with Oil: Cheap-and-easy treatment cuts infection rates in premature infants

    Massaging premature babies with sunflower-seed oil can cut bloodborne infection rates.

  13. Materials Science

    Slick Surfaces: Pressure builds to make better motor oils

    Motor oil's protection against the wear and tear of steel engine parts takes effect only at high pressures.

  14. Bacterial Nanny: Beewolf grows microbe for protecting young

    A European wasp leaves a smear of bacteria near each of her eggs as protection against the perils of youth.

  15. Materials Science

    Venetian Grinds

    Venetian Renaissance artists, renowned for their vibrant colors, mixed powdered glass with their paints in an attempt to expand their palettes and create unique optical effects.

  16. Physics

    Primordial Nukes

    The rocky remains of nuclear reactors that formed spontaneously in African uranium deposits 2 billion years ago are yielding striking new details about their operation as well as signs that a fundamental aspect of the universe may have once been stronger than it is today.

  17. Humans

    Letters from the March 12, 2005, issue of Science News

    Cheaters like us? The model for the emergence of a population of “cheaters” out of a population of “cooperators” described in “When Laziness Pays: Math explains how cooperation and cheating evolve” (SN: 1/15/05, p. 35) gives a fresh viewpoint on existing ecosystems—and much more. Might the evolution of asymmetric modern sex from symmetric DNA exchange […]