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Such descriptions of GMOs raises fears about whether gene transfer between species is outside of how evolution operates and therefore unnatural. Research, however, has repeatedly shown the opposite to be true. In May 2015, researchers showed that practically every known species of cassava (sweet potato) contained genes from Agrobacterium, a bacterial species whose genes we have also harnessed to create other GM crops. The genes were inserted over 8,000 years ago and may have helped the tuber evolve into its current, edible form. This phenomenon of genetic transfer during evolution between species, also known as 'horizontal gene transfer' is not restricted to plants.

In "Harvest of Fear," FRONTLINE and NOVA explore the intensifying debate over genetically-modified (gm) food crops. Interviewing scientists, farmers, biotech and food industry representatives, government regulators, and critics of biotechnology, this two-hour report presents both sides of the debate, exploring the risks and benefits, the hopes and fears, of this new technology.

The Center for Science in the Public Interest (CSPI) has made a name for itself by tackling the food industry's big guns on everything from artery-furring entrees to misleading label claims. But where does it stand on genetically modified organisms (GMOs)? Elaine Watson quizzed Gregory Jaffe, CSPI director of biotechnology, on everything from GM labeling initiatives to super weeds…

If the lab technique works in the field, it could offer a new way of stopping the biting insects from spreading malaria to humans, they say. The scientists put a new "resistance" gene into the mosquito's own DNA, using a gene editing method called Crispr. And when the GM mosquitoes mated - their offspring inherited the same resistance, PNAS journal reports. In theory, if these mosquitoes bite people, they should not be able to pass on the parasite that causes malaria.

The UK's leading cancer charity yesterday welcomed work by British scientists who created a breed of genetically modified hens that can produce cancer-fighting medicines in their eggs. The research could slash the cost of producing drugs and potentially save the NHS millions of pounds.

Scientists at AgResearch in New Zealand have successfully produced healthy transgenic cows that make modified milk or human therapeutic proteins in their milk.

11 minute video