Now Mr. Goldberg is in the process of getting all his snacks certified as free of genetically modifiedmaterial, part of his quest to scrub away the junk-food taint.
Instead, the team modified a substance known as Powder Suspension, a thick, tar-like material, and found that it produced a clear, high-quality mark on the smooth-surfaced food items such as onions, apples and tomatoes.
According to Killen, Yahoo recently modified its universal terms of service to include a clause warning users that they might encounter material that is outlawed in their country.