11.   One of the early applications of this discovery was using bacteria as a factory to grow human insulin for diabetics.

12.   Public health experts in the United States worry that, if the bacteria were used as a weapon here, it would not be recognized in time.

13.   Scientists hope eventually to use the bacteria to help clean up contaminated ground water.

14.   Sulfide-eating bacteria are also used at the Ashanti Gold Fields in Ghana, and at mines in Australia and in South Africa.

15.   The growing evidence supported the notion that the bacteria were being used in a coordinated way.

16.   There is no evidence that any country has ever used anthrax bacteria, which causes an infectious disease, or significant amounts of any biological weapon during warfare.

17.   They used soil bacteria that feed on rotting waste to break down hazardous substances to less toxic byproducts.

18.   Vion Pharmaceuticals Inc. said a new technology may allow scientists to use salmonella bacteria in the fight against cancer.

19.   Genetic engineering offers the possibility of using useful bacteria to deliver specific actions or products to the colon or other mucosal surfaces.

20.   Hundreds of hoaxes across the world are fanning fear that terrorists are using anthrax bacteria for new attacks.