41.   But before throwing away the contaminated sample, he looked at it closely and noted that the spores were killing the bacteria.

42.   But antibiotics kill bacteria, not viruses, so they are mostly ineffective in treating viral infection such as upper respiratory infections, colds and flu.

43.   But Gunn maintained that, even at the levels recorded on the days in question, chlorine levels were high enough to kill the bacteria.

44.   But she also found higher levels of free chlorine, the chemical released by the disinfectant that kills bacteria, in the treated pool.

45.   By now, any parent with a television set should know that undercooked meat may be dangerous and that the E. coli bacteria can be killed by high temperatures.

46.   Chlorine dioxide gas, the method chosen for the Senate offices, kills the bacteria in a completely different way, working from the outside in.

47.   Companies would bombard hamburger or sausages, for example, at the end stages of processing with radiation that kills bacteria by fracturing their genetic material.

48.   Cook all seafood thoroughly to kill bacteria.

49.   Cooking kills the bacteria.

50.   Conveyor belts move the mail into sealed chambers where linear accelerators bombard it with beams of high-energy electrons, killing any bacteria.