UK statistics reveal a 10% rise in the use of genetically modified animals for research, scientists appear to be divided about their usefulness

Thanks to a set of new tricks and tools, modifying animals is becoming a lot easier and more precise, which could transform medicine and the meat and eggs you eat and the milk you drink.

The debate over genetically modified animals has been re-ignited in New Zealand after three cows died in a bungled experiment.

Scientists in New Zealand whose work with genetically modified (GM) animals had been threatened by a High Court ruling have been given a reprieve.