News

  1. Astronomy

    Magnificent McNaught

    Flaunting a majestic tail over southern skies, Comet McNaught became in mid-January the brightest comet in more than 40 years.

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  2. Health & Medicine

    Salve for the Lungs: Aspirin might prevent asthma

    Regular use of aspirin may prevent healthy adults from developing asthma.

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  3. Mind over Muscle: Placebo boosts health benefits of exercise

    The physical rewards of exercise derive not just from muscular exertion but also from a person's mind-set about exercise.

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  4. Tech

    Making a 3-D Microscope: Technique brings entire sample into focus

    A new imaging technique creates microscopic three-dimensional views of tissues within a patient's body and can update those images several times a second.

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  5. Addiction Subtraction: Brain damage curbs cigarette urge

    Scientists have identified an area of the brain where damage seems to quickly halt a person's desire to smoke.

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  6. Planetary Science

    Stellar death may spawn solar system

    Material shed by a dying star might give birth to planets.

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  7. Astronomy

    Astronomers discover smallest galaxy ever

    Astronomers have found the smallest galaxy yet recorded, about one-sixteenth the diameter of the Milky Way.

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  8. Physics

    Solving a 400-year-old supernova riddle

    Astronomers have determined that Kepler's supernova, the last stellar explosion witnessed in our galaxy, belongs to the class known as type 1a.

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  9. Tech

    Tracking nanotubes in mice

    Carbon nanotubes can target tumors in mice.

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  10. Earth

    Heating releases cookware chemicals

    Nonstick coatings on fry pans and microwave-popcorn bags can, when heated, release traces of potentially toxic perfluorinated chemicals.

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  11. Aging vets take stress disorder to heart

    Veterans grappling for decades with post-traumatic stress disorder have a greater risk of developing and dying from heart disease than do their peers who don't suffer from the stress ailment.

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  12. Trichomoniasis-causing organism is sequenced

    Scientists have taken a first read of the genetic sequence of the organism responsible for a sexually transmitted infection called trichomoniasis.

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