GNA, or potato, that the animals received, an important test of whether the phenomenon is genuine or not.

ECONOMIST: GM foods

GNA. Moreover, the data from these experiments had not been fully analysed, and so they could not have yielded the results Dr Pusztai claimed, even if he had merely got the name of the lectin wrong.

ECONOMIST: Potato-heads

GNA, which is normally found in snowdrops.

ECONOMIST: GM foods