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Volume 429 Issue 6990, 27 May 2004

Editorial

  • A night out in a bar is all the more enjoyable if you can digest some science too. That's the lesson of a growing movement whose character may be local but whose reach is potentially global — and at a small cost.

    Editorial

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  • Willingly or not, Russia's science academy has become part of the political economy of climate.

    Editorial
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News

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News in Brief

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News Feature

  • Stroke has disabled millions of people, stealing their ability to walk or communicate. Can future victims be helped by treatments that stimulate the growth of new brain cells? Alison Abbott investigates.

    • Alison Abbott
    News Feature
  • When NASA needed someone to grab a spacecraft on its re-entry to Earth, it turned to Hollywood for help. Nicola Jones meets the stunt pilots preparing to snag the $260-million experiment before it hits the desert floor.

    • Nicola Jones
    News Feature
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Correspondence

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Books & Arts

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Turning Points

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News & Views

  • Information-carrying DNA strands can be used to perform simple computations, but have so far been little more than toys. Can molecular computers be more broadly useful — in medicine, for instance?

    • Anne Condon
    News & Views
  • In a box of mixed nuts, the brazils rise to the top. In granular mixtures in general, depending on their size and density, the ‘brazil nuts’ may sink instead. This reverse effect has now been explored further.

    • Troy Shinbrot
    News & Views
  • One of the chimpanzee's chromosomes has been sequenced to near-completion. What can this accomplishment tell us about how we have come to look and act so differently from our chimp relatives?

    • Jean Weissenbach
    News & Views
    • Alison Wright
    News & Views
  • Data from a different technique for probing events within the Earth, interpreted in terms of a new hypothesis about the effects of water at depth, raise tantalizing questions about recycling of a tectonic plate.

    • Rob Evans
    News & Views
  • It can be hard to work out whether particular events are a cause or a correlate of ageing — do mutations in mitochondrial DNA, for instance, speed up the process of growing old? Some clever studies suggest so.

    • George M. Martin
    • Lawrence A. Loeb
    News & Views
  • Would Earth's early ocean have been a frozen wasteland had levels of atmospheric methane not been sky high? Maybe. Or maybe, according to a new view of an old idea, the main warming agent was carbon dioxide.

    • Timothy W. Lyons
    News & Views
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Brief Communication

  • The red and orange pigments in this secretion account for its protective properties.

    • Yoko Saikawa
    • Kimiko Hashimoto
    • Teruyuki Komiya
    Brief Communication
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Analysis

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Article

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Letter

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Introduction

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Overview

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Review Article

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Commentary

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Prospects

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Special Report

  • If you are planning to start your career by joining a biotech start-up, you will need to do some homework. Virginia Gewin assesses the risks involved.

    • Virginia Gewin
    Special Report
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Career View

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Insight

  • Last year the official completion of the human genome sequence was announced, capping years of hard work. Now that the flashbulbs have dimmed, scientists are taking a hard look at the results. Benefits of the sequence were prophesied to include 'magic bullet' therapeutics, individualized medicine, tools physicians can use, and ensure that these tools are readily available. Although one graduate student can now make huge strides with access to the Internet and basic molecular biology equipment, true success may demand nothing short of entirely new methods of clinical study and reorganization of existing academic structures.

    Insight
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