Archives for April 24, 2007

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Special edition: Global food trade

What's going down with Doha?

By  Jess Halliday

Two weeks ago world leaders extended the deadline on the beleaguered Doha trade round to the end of this year. Exhortations not to let the opportunity pass have ensued, but big barriers must still be overcome before a positive conclusion can be reached.

Sugar-free gum fails to fight plaque, study

By  Catherine Boal

Gum-chewers hoping their habit will protect them from dental plaque and tooth decay would be better sticking to brushing as scientists reveal the preventative effects of sugar-free gum may have been overstated.