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Volume 415 Issue 6868, 10 January 2002

Volume 415 Issue 6868

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Prospects

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Postdocs

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Opinion

  • A curious absence from a list of 'hot papers' has led Nature to uncover some inaccuracies in the citation statistics compiled by the ISI. This adds to worries about relying heavily on these figures when rating scientific performance.

    Opinion
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News

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News in Brief

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News Feature

  • A laser technology with military roots looks set to make a big impact on biology. By creating short pulses of intense radiation, free-electron lasers will advance our understanding of biological molecules. Navroz Patel reports.

    • Navroz Patel
    News Feature

  • At the proteomics frontier, dozens of companies are trying to develop the protein equivalent of DNA microarrays. But designing these chips poses much tougher technical challenges, says Alison Abbott.

    • Alison Abbott
    News Feature
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Correspondence

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Book Review

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Concepts

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News & Views

  • Many cellular functions are carried out by proteins that are bound together in complexes. In two new large-scale studies, labelled proteins are used as 'bait' to capture and identify those complexes.

    • Anuj Kumar
    • Michael Snyder
    News & Views

  • The study of hydrothermal vents is a young and fertile discipline. The latest findings, and the enticing prospects offered by new technology, came in for discussion at two meetings held late last year.

    • Chris German
    News & Views

  • Humans are often generous, but cooperation unravels when others take advantage of them. Many people punish such 'free riders', even if they do not benefit personally, and this 'altruistic punishment' sustains cooperation.

    • Samuel Bowles
    • Herbert Gintis
    News & Views

  • For twenty years astronomers have wondered what is responsible for the X-ray emission from the centre of our Galaxy. New data from the sharpest X-ray eye around — the Chandra observatory — reveal all.

    • Andreas Eckart
    News & Views

  • Motor proteins are essential to life: without them, all cellular transport would grind to a halt. New results on the size of steps taken by one family of motors, the myosins, will fuel the debate about how they move.

    • Michael A. Geeves
    News & Views

  • Variations in the marine nitrogen cycle are implicated in driving glacial–interglacial climate change and producing warm spells during glacial periods. But phosphorus may also need to be taken into account.

    • Allan H. Devol
    News & Views

  • Human skin is inefficient at retaining body heat. So the invention of a fabric with adjustable heat-loss could be a boon to bed linen manufacturers and even the fashion industry.

    • David Jones
    News & Views
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Brief Communication

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Article

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Letter

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New on the Market

  • A miscellany from recent product launches.

    New on the Market
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Foreword

    • Karen Birmingham
    Foreword
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Review Article

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Progress

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Corporate Support

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Insight

  • Heart disease is the world's leading cause of death, with smoking, fat-laden diets and sedentary lifestyles all detrimental to a healthy heart. But the heart is one of the most widely studied organs of the body, and a greater understanding of the processes involved at the molecular and genetic level is enabling us to make inroads in preventing and treating heart disease.

    Insight
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