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  1. Physics

    Chink found in armor of perfect cloak

    A theoretical perfect cloaking device could be foiled using charged particles, a new study suggests.

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  2. Trawling the brain

    New findings raise questions about reliability of fMRI as gauge of neural activity.

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  3. Humans wonder, anybody home?

    Brain structure and circuitry offer clues to consciousness in nonmammals.

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  4. A black future

    Without destroying the Earth, the Large Hadron Collider might help humans explore the cosmos.

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  5. Funding science research as a sustained enterprise

    At the Society for Neuroscience annual meeting in October in Chicago, NIH Director Francis S.