(Note: All results displayed in both tables are statistically significant at the 5% level or higher.) Our analysis of international test score data shows a higher variance in boys’ than girls’ results ...

Scientists from the Perelman School of Medicine at the University of Pennsylvania report that the type, frequency, and occurrence of new mutations in the human genome depend on which nucleotides are ...

The Monthly publishes articles, as well as notes and other features, about mathematics and the profession. Its readers span a broad spectrum of mathematical interests, and include professional ...

Greater male variance is indicated by VR [Variance Ratio]> 1.0. All VRs, by state and grade, are >1.0 [range 1.11 to 1.21]. If a particular specialty required mathematical skills at the 99th ...