11.   Antibiotic treatment of a common vaginal infection can reduce the risk of premature birth in some women, researchers are reporting.

12.   At a conference on stem cells held here in March, researchers reported a lopsided harvest of results.

13.   At a rhinology conference on Friday in Washington, the researchers reported that they had tried a new treatment aimed at the fungi.

14.   AT IBM, FLEXIBLE TRANSISTORS IBM researchers will report Friday that they have developed flexible transistors that can be embedded in thin curved surfaces.

15.   At the same time, other researchers reported that Halcion appeared to be safe and effective for most patients.

16.   Beanbag weapons used by the Los Angeles police to subdue violent or disturbed people have caused a broad range of serious injuries, researchers are reporting.

17.   Behind the spicy flavors, Mexican restaurants are serving up hefty doses of fat and salt, researchers reported Monday.

18.   Being a good fielder is not as simple as being agile and fast, the researchers will report today.

19.   A case in point is in the current issue of Nature, where Dutch researchers report on how a long-distance migratory bird responds to climate change.

20.   A new drug dramatically reduces the rate of organ rejection in patients who have received kidney transplants, a researcher reported Thursday.