1.   The beneficial role of aspirin in the primary and secondary prevention as well as in the acute management of myocardial infarction has become increasingly clear.

2.   But other insects that feed on native plants serve less obviously beneficial roles.

3.   Researchers such as McFall-Ngai are now looking at the beneficial role these microbes play.

4.   This happened, the panel hinted, partly because the beneficial economic role of computers was not correctly taken into account.

5.   The beneficial role of bees in the fertilizing process of plants is acknowledged by Jesmandt Situmorang, an entomologist in the School of Biology, Gadjah Mada University.