5 February 2010
Desert dust blown on the wind has a profound effect on the Earth's energy balance and climate, but until now its impact has not been routinely measured over the most important global source of dust, the Sahara. Helen Brindley and Jacqui Russell describe how insights from new satellite instruments are changing this.
How much are natural resources worth?
29 January 2010
Scientists are discovering unexpected complexity in the genome of the humble yeast.
22 January 2010
