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Schistosomiasis, otherwise known as Bilharzia, is a debilitating disease causing anaemia, diarrhoea, abdominal pain and sometimes death. Its spread, initially through a particular species of freshwater snail, is now being accelerated by human carriers—Brazil's millions of migrant workers Reported by David Bousfield of Sussex University
Jonathan R. Cole and Stephen Cole describe how disagreements among peer reviewers can explain the unexpectedly low correlation between a scientist's prior professional performance and his or her chances of being awarded a research grant.