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  1. Health & Medicine

    fryPod: Lightning strikes iPod users

    A jogger wearing an iPod music player suffered second-degree ear and neck burns, burst eardrums, and jaw fractures after lightning struck a nearby tree.

    By Brian Vastag
  2. Materials Science

    Crystal matchmaker

    Nonperiodic structures called quasicrystals can act as interfaces between different crystal structures that would ordinarily not stick to each other.

    By Davide Castelvecchi
  3. Tech

    Double-decker solar cell

    A two-layer, polymer-based solar cell has good efficiency and could be cheap to mass-produce.

    By Davide Castelvecchi
  4. Planetary Science

    Hyperion’s hydrocarbons

    New observations by the Cassini spacecraft indicate the presence of ice and solid carbon dioxide on Saturn's moon Hyperion, and suggest an explanation for the orb's spongelike appearance.