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Economist (London)

  • Pluto out in the cold

    Astronomers disagree about whether Pluto really is the solar system's ninth planet, or just a puffed-up asteroid, or something else entirely : a

  • Water in, water out

    Hundreds of miles of canals make their way to the Atlantic. Once there they disgorge into the ocean 1.7 billion gallons of fresh water a day. A hundred miles to the south, the parched Everglades

  • Zhu and the dam-busters

    Among the happiest people to see Li Peng end his term as Chinese Prime Minister last March were the opponents of the $28 billion Three Gorges Dam on the Yangzi river. Mr Li, a hydrologist before he

  • Ringworlds

    Conventional theories about young planets and young pulsars (remnants of exploded stars) need rewriting, according to findings presented to the 1999 meeting of the American Astronomical Society (AAS)

  • Primal dream

    Billy Hau-hang, a young botanist at the University of Hong Kong, hopes to restore Hong Kong's forests to their natural diversity. His efforts are being studied carefully in Beijing. Reforestation has

  • Mine's bigger than yours

    In the next few days the shutters will be coming off the world's biggest scientific mirror. It is 8.3 meters across, and although it sits on a mountain top on the island of Hawaii rather than in

  • The big heat

    A study done by Jennifer McElwain and her colleagues at the University of Sheffield, in England, and published in this week's Science states that the late-Trissic extinction, which opened the earth

  • Pass the salt

    A few miles south of Tampa Bay in United States, a desalination plant is about to be built which will provide the cheapest drinking water ever extracted from the sea. The plant will be built jointly

  • Cloudbusting

    For the past three years, researchers from America's National Centre for Atmospheric Research (NCAR) have been carrying out the most extensive and rigorous evaluation to date of a promising

  • An ice idea

    The droughts currently affecting the east-coast states of America are estimated to have caused at least $800m worth of crop losses so far. Yet nine months ago, large areas of the very states in

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