News

  1. Health & Medicine

    Gene therapy thwarts hepatitis C in mice

    Gene therapy that induces infected liver cells to self-destruct slows hepatitis C dramatically in mice.

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  2. Physics

    Taking a shine to number 100

    Scientists for the first time literally shed light on the properties of radioactive fermium.

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  3. Physics

    Light Switch: Crystal flaws tune the wavelengths

    By tweaking the crystal structure of the semiconductor gallium arsenide, researchers may have found a way to make cheaper components for fiberoptic networks.

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  4. Health & Medicine

    Flawed Therapy: Hormone replacement takes more hits

    Elderly women taking estrogen and progestin are more likely to develop dementia, including Alzheimer's disease, and stroke than are women not taking the hormones.