News

  1. Psychotic Biology: Genes yield clues to schizophrenia’s roots

    Two genes involved in the transmission of glutamate, a key chemical messenger in the brain, are linked to the occurrence of the severe mental disorder schizophrenia.

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  2. Astronomy

    Big Bang Confirmed: Seeing twists and turns of primordial light

    The latest observations of the cosmic microwave background reveal that photons from adjacent patches of the sky have slightly different polarizations.

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  3. Health & Medicine

    Immune gene linked to prostate cancer

    An immune-cell gene plays a role in predisposing men to prostate cancer.

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  4. Astronomy

    Found: Gamma-ray background information

    Resolving a 30-year-old mystery, astronomers say they have identified the source of the faint, high-energy glow of radiation known as the gamma-ray background.

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  5. Earth

    Much that glitters is really old

    New isotopic analyses of rock samples from one of the world's richest gold-mining regions suggest that the flecks of gold in those ores are more than 3 billion years old.

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  6. Health & Medicine

    New twist on a pet theory

    Growing up with cats may reduce a child's risk of developing asthma—unless the child's mother has asthma as well.

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  7. Gender Gap: Parasites’ bias for big animals gives female mammals longevity

    Parasites infect male mammals more often than females, possibly contributing to the tendency among mammals of males to die earlier than females.

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  8. Animals

    Eat the Kids: Are cannibal fish just freshening the O2?

    In beaugregory damselfish, males that snack on some of the eggs supposedly in their care may end up benefiting the rest of the egg clutch by making more oxygen available.

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  9. Chemistry

    The Dirt on Art: Chemists test laser cleanup of paintings

    A new experiment shows that lasers can be a safe tool for cleaning paintings.

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  10. Health & Medicine

    Acetaminophen in Action: Effect on an enzyme may stop pain, lower fever

    The discovery of an enzyme scientists are calling cyclooxygenase-3, which is disabled by acetaminophen, might explain why this drug can stop pain and fever but not inflammation.

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  11. Astronomy

    Hole in the Middle: Are midsize black holes the missing link?

    Two teams of astronomers reported that they had confirmed the existence of a new class of black hole.

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  12. Earth

    Cancer Causer? Researchers zero in on leukemia risks

    Researchers add to mounting evidence that household pesticide exposure may be a significant risk factor for childhood leukemia.

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