21.   These researchers are on the front line of defense against cancer.

22.   Researchers are unanimous in saying that a human mission to Mars would advance our understanding of the planet.

23.   The individual researcher has been the prime mover, seeking to satisfy his own needs.

24.   Other researchers have been able to overcome this problem in split-brain patients.

25.   Similarly, when confronted with the results from small numbers, an experienced researcher should be able quickly to judge whether statistics are worth calculating at all.

26.   Researchers must be mindful of what information meant to its creator and how it was used in the past.

27.   If the researcher is interested in discussions of government finance in the Treasury, he or she has a potential problem of informational over-kill.

28.   But as the subject develops we can expect researchers to be more explicit about exactly how they expect a pragmatic theory to be formulated.

29.   The researchers were highly critical of the continued evacuation programme, based on these measurements, which they claimed was both medically unwarranted and psychologically traumatic.

30.   The researchers are to examine more trees including four more species before they firm up their claims.