31.   Adding public employees would extend the life of the Social Security trust fund by only two years, she said.

32.   All this made it look possible that scientists might someday find a way to extend human life as well.

33.   Alpha uses the material to make switches inside the phones, but more importantly it also manufactures power amplifiers that improve transmission signals and extend battery life.

34.   But both doctors noted that the drugs have been successful in extending the lives of people with AIDS.

35.   But Medicare, which covers a population for whom annual mammograms have been proven to extend lives, covers no more than one screening every two years.

36.   But self-control could very well extend his life.

37.   But the Philharmonic and producers Richard Kraft and Lyn Benjamin hope that the new works will have extended performance lives beyond their Southern California debuts.

38.   But these therapies also may dramatically extend the lives of seemingly late-stage patients.

39.   But today, with more AIDS patients taking medications that diminish their symptoms and extend their lives, fewer are seeking help in ending their lives prematurely.

40.   But while those therapies can greatly extend the lives of AIDS patients, they are not cures.