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Science at Rio+20 by iStock/RapidEye

Latest on Rio+20

We track the news on science, technology and the Rio+20 Earth Summit
Radio satellite array - SKA Africa

SKA to be shared

The world's most powerful radio telescope, the Square Kilometre Array, will be shared between South Africa and Australia and New Zealand

From GM crops to forestry

Learn more about the challenges of feeding our growing population versus caring for our planet