21.   But the company argued against any single safety needle standard, saying that it would kill off innovation and competition.

22.   But the Devils not only killed off the power play, they scored on a breakaway a second after it ended.

23.   By killing off much of the bacteria in the stomach, antibiotics allow animals to absorb more food and thus grow larger with less feed.

24.   Canada seemed to toy with them, killing off a two-man U.S. advantage in the first period and scoring one of their four goals short-handed.

25.   Cartoonist Lynn Johnston said a desire for authenticity, in part, led to her reluctant decision to kill off Farley.

26.   Community leaders complain that Manila has neglected the south, focusing more on killing off the rebels than on boosting living standards.

27.   Computers, far from killing off books, may actually be reviving them.

28.   Davison wants to know to what extent the noxious pollution levels are killing off certain species.

29.   Ecologists reasoned that this could happen either because pollution makes parasites of these insects less active, or because it kills off predators that eat the insects.

30.   Evan Snyder of Harvard Medical School in Boston has also made progress in using stem cells to kill off cancerous brain cells.