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  • Neurons in the retina turn on and off rapidly in response to light. With the discovery of mutations in human genes that mediate this quick turn-off, we have the first picture of its importance in visual perception.

    • Kendall J. Blumer
    News & Views
  • The manipulation of electronic spins — 'spintronics' — might be the basis of future device technology. A subtle relativistic effect offers a way to flip spins inside a semiconducting material.

    • Michael E. Flatté
    News & Views