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Volume 421 Issue 6926, 27 February 2003

Editorial

  • Genome sequencers intend that their community and others should deposit data in community databases immediately, even if it risks the loss of publishing priority. But enforcement of this ideal could be a step too far.

    Editorial

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News

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News in Brief

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News Feature

  • Four years ago, scientists claimed they would grow a functioning heart in the lab within a decade. That now looks like wishful thinking, but Catherine Zandonella finds that tissue engineers haven't given up on their grand vision.

    • Catherine Zandonella
    News Feature
  • High in the Swiss Alps, a multidisciplinary group of researchers is developing a feeling for snow. Quirin Schiermeier meets the avalanche forecasters.

    • Quirin Schiermeier
    News Feature
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Correspondence

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Commentary

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Book Review

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Lifeline

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Concepts

  • Calculating the area of productive ecosystem required to support a population is a useful way to open people's eyes to the fact that we're stamping out the world's resources.

    • William E. Rees
    Concepts
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News & Views

  • Newton devised his universal law of gravitation for planets, but does it work at small scales? A search for a deviation from the expected behaviour could provide the first evidence in support of string theory.

    • C. D. Hoyle
    News & Views
  • A study of reef fish in the Indian and Pacific oceans reveals that the structures of local communities and their regional context are intricately entwined. New species spread far from an oceanic 'hotspot' of diversity.

    • Kevin J. Gaston
    News & Views
  • Isotope data provide insight into the earliest phases of terrestrial evolution. The latest reappraisal supports the view that the early Earth had a cratered crust which crystallized from a magma ocean.

    • Stein B. Jacobsen
    News & Views
  • Studies of the retinoblastoma gene can still deliver surprises, and enlightenment. Several of the abnormalities in mice lacking this gene are, it seems, the indirect consequence of a placental defect.

    • Nick Dyson
    News & Views
  • The influence of the Agulhas system of currents and eddies around southern Africa extends far beyond that region. Hence the especial need for a better understanding of the complex phenomena involved.

    • Arnold L. Gordon
    News & Views
  • Many cell types in our body, ranging from neurons to the epithelial cells that line the lungs and skin, must be polarized to function properly. The same mechanism may establish the polarity of many of these cells.

    • Melissa M. Rolls
    • Chris Q. Doe
    News & Views
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Brief Communication

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Review Article

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Letter

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New on the Market

  • Analytical instruments and offshoots, including a new way with images.

    New on the Market
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Prospects

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Careers and Recruitment

  • Making sense of the reams of information streaming out of genome projects requires a sophisticated blend of biology and physics, says Kendall Powell.

    • Kendall Powell
    Careers and Recruitment
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