News

  1. Health & Medicine

    Gene plus stress equals depression debate

    A reanalysis of data challenges a prominent report that a particular gene variant interacts with stressful experiences to promote depression, sparking controversy.

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  2. Health & Medicine

    CT scan nearly as good as regular colonoscopy

    Virtual colonoscopy might suffice for people at high risk of colorectal cancer, a new study finds.

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  3. Physics

    Shifting nanoparticles cause creep

    Study investigates how concrete deforms over time

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  4. Life

    Estrogen may reprogram prostate cancer gene in black men

    Study finds a lack of chemical tags near a prostate cancer gene in African American males.

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  5. Archaeology

    Engraved pigments point to ancient symbolic tradition

    Analyses of patterns incised on pieces of ancient pigment indicate that people in southern Africa passed along symbolic practices from 100,000 to 75,000 years ago, scientists say.

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  6. Health & Medicine

    Origins of the swine flu virus

    Researchers use evolutionary history to trace the early days of the pandemic.

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  7. Health & Medicine

    Stomach surgery helps obese adolescents

    Laparoscopic banding surgery to limit appetite improves several health markers in obese adolescents.

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  8. Chemistry

    Laser makes uphill battle easier

    Researchers have used a femtosecond laser to etch tiny channels into metal plates, prompting liquid to flow uphill.

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  9. Plants

    How maple fruits fall

    A new study analyzes the features that help maple seeds stay airborne.

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  10. Health & Medicine

    Replacing microRNA for cancer treatment

    Replacing missing microRNAs in cancer cells may open up a new field for cancer treatment.

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  11. Health & Medicine

    Stressed-out DNA turns mousy brown hair gray

    Scientists show how change happens when cells responsible for colorful hair lose their self-renewing abilities.

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  12. Space

    Alien visitor from afar

    A speedy stellar neighbor may be a refugee from another galaxy.

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