Earth science – Page 11

  • Periodic table of the elements – 86 – Radon
    Podcast

    Radon

    2008-11-26T00:00:00Z

     Katherine Holt on the element that accounts for half of the UK population's annual radiation dose

  • FEATURE-deepsea-280
    Feature

    Treasures from the deep

    2006-12-20T11:00:00Z

    Mining companies are exploring underwater volcanic vents, hoping to extract metals such as gold and copper. Victoria Gill looks at the technical, environmental and political hurdles

  • purple ocean
    News

    Bacteria ruled the world billions of years ago in purple oceans

    2005-10-06T17:05:00Z

    Evidence backing a controversial sulfur-rich model of the Earth's oceans 1.8 billion years ago has been uncovered in molecular fossils.