21.   Biologists who work with yeast, roundworms, fruit flies and mice have extended life by manipulating the genes of those species.

22.   Bondholders hope that trend continues, leaving homeowners with less incentive to repay their loans early and extending the lives of mortgage-backed securities.

23.   -- Extend the life of summer containers by replacing waning summer annuals with fall ones and maintaining evergreen perennials.

24.   -A banana tree or stand supports the fruit, gives equal air opportunity, and may extend the life of the bunch.

25.   A fresh coat of paint will help prevent further rusting and will extend the life of the lawn mower.

26.   A new study has confirmed earlier reports that the drug thalidomide can significantly extend the lives of people with advanced multiple myeloma, a cancer of the blood.

27.   A romantic notion of death from a man who is working to extend life.

28.   A restructuring of the Superfund law failed to extend the life of certain taxes that had become a major liability for oil, chemical and insurance interests.

29.   Adding a pad will extend the life of the runner.

30.   Advances in research in recent years have raised the possibility of extending human life by decades.