What's New in Research: July 24, 2006
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Science in Brazil, 2001-05

Brazil's world share of science and social-science papers over a recent five-year period, expressed as a percentage of papers in each of 21 fields in the Thomson Scientific database. Also, Brazil's relative citation impact compared to the world average in each field, in percentage terms. 

Between 2001 and 2005, Thomson Scientific indexed 63,695 papers that listed at least one author address in Brazil. Of those papers, the highest percentage appeared in journals categorized under the heading of agricultural sciences, followed by plant & animal sciences and microbiology. As the relative-impact figures in the the right-hand column indicate, Brazil's citations-per-paper average was below the world mark in all the fields shown (those fields in which Brazil contributed at least 100 papers to the Thomson database over the last five years). The nation's best relative-impact score was in mathematics, where Brazil's average of 1.52 citations per paper was just 13% below the world average of 1.32 cites per paper. The performance of Brazil-based authors was also comparatively strong in physics, ecology/environmental, engineering, and psychology/psychiatry.

SOURCE: National Science Indicators, 1981-2005 (containing listings of output and citation statistics for more than 170 countries; available in standard and deluxe versions from the Research Services Group.

10-year country rankings for Brazil, 1996-April 30, 2006.     10-year country profile and rankings for Brazil, January 1992-October 31, 2002.

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