1.   Scientists are still hoping to find a cure for the common cold.

2.   Scientists hope the coming generation of Mars probes will detect former hot springs.

3.   Scientists are hoping that a new vaccine will eventually come out of their research.

4.   Scientists hope that if we can discover how the brain works, the better use we will be able to put it to.

5.   Now scientists hope to isolate a chemical which works like taxol from the European Yew.

6.   The scientists hope to try again today, which shows commendable patience.

7.   The scientists hope to compile an electronic data base of human genes, so doctors around the world can have locations and descriptions of all known genes.

8.   Also, scientists hope to refine observing techniques that might be used to study the atmospheric composition of planets that orbit other stars.

9.   Although scientists still hope they can rescue Churchill, his condition has been the subject of more than a little heartache.