BEWARE Chinese rice. That’s the message following the discovery of rice consignments containing an experimental genetically modified strain called Bt63. From 15 April, all rice imported from China into the European Union must be certified as free of Bt63. European food importers and regulatory authorities have been told to test Chinese rice imports at random to check that documentation is not fraudulent. Products already on sale in Europe which contain Chinese rice will also be spot-checked for contamination. But does the rice really pose a hazard?