genetically modified potatoes that you get to pick up at a diffidence biondi investigated the. growth development. immunity they were supposed to have been. but it's that pace of change that's wearing out the scientists as well they say g.m. food is being rushed on to the market and so on times without adequate safety tests that we have a lot of want you to experience. sixty thousand pages of internal documents and in these internal documents it was very clear that the scientists inside the agency said we need to test these foods for toxicity allergenicity immune response lower nutrition and for environmental contamination page after page of study they said we need none of this was done. today around a third of the soil from the u.s. is genetically altered and when it gets to the factory it's mixed together with ordinary soil and you never know which is which. in precautionary science have been at engineering it means one question means one career you ask one question you get the answer and you might or might not be able to publish it but that's the end of your career. what's i