Volume 348 Issue 6300, 29 November 1990


  • Opinion |

    Mrs Margaret Thatcher's remarkable eleven years as British Prime Minister, which end this week, may have enhanced Britain's reputation in many fields, but not in research. A spell of unconviction politics would be welcome.




  • Commentary |

    'Appropriate technology' is touted as a solution to many of the energy needs of developing countries. A pi lot project to introduce solar ovens in Central America shows one way forward.

    • Daniel M. Kammen
    •  & William F. Lankford

News & Views

Scientific Correspondence

Book Reviews



Product Reviews

  • Product Review |

    The use of short microbore HPLC columns with different selectivity for the purification of proteins and peptides at the picomole level is discussed.

    • E. C. Nice
  • Product Review |

    DNA extraction cartridges, a dual-purpose electrophoresis/electroblotter unit, and a cytocentrifuge that makes light work of preparing cell monolayers on microscope slides — innovative ideas for separation devices.

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