Volume 304 Issue 5923, 21 July 1983

Opinion

  • Opinion |

    The ending of the arms control season is not as depressing as it seems. Geneva has been unproductive, Madrid a pleasant surprise.

  • Opinion |

    Environmental protection is not an absolute good but unavoidably an economic cost.

  • Opinion |

    A British anti-abortion pressure group is trying to ruin a well-planned study. It should stop.

News

Correspondence

Commentary

  • Commentary |

    A satisfactory definition of intelligence has never been found, and as a result it means different things to different people. What it is may remain too complex for a succinct definition, but the theory and practice of information handling have clarified what it does fur us: it enables us to guess better, and the discovery of unexpected orderliness is the chief means of doing this.

    • H.B. Barlow

News & Views

Review Article

Article

Letter

Book Review

Books Received

Product Review

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.
Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing