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Science News for March 11, 2012


US citizenship may be determined at random

A Michigan State University researcher found that the US Citizenship and Immigration Services (USCIS) test is not reliable in measuring civics knowledge. The test questions are randomly selected from a pool of 100, but no data has been released on their reliability or validity.

SourceMichigan State University·JournalLanguage Assessment Quarterly·DateMar 11, 2012

World breakthrough on salt-tolerant wheat

A team of Australian scientists has bred salt tolerance into a variety of durum wheat, showing improved grain yield by 25% on salty soils. The research uses non-GM crop breeding techniques and introduces a salt-tolerant gene that works by excluding sodium from the leaves.

SourceUniversity of Adelaide·JournalNature Biotechnology·DateMar 11, 2012