Sex Differences In Intelligence

Are you too clever to be a mother? Maternal urge decreases by a QUARTER for every 15 extra IQ points

http://www.dailymail.co.uk/femail/article-2384787/Too-clever-mother-The-maternal-urge-decreases-QUARTER-15-extra-IQ-points.html

Regarding educational and SES variables, some sex differences favoring males were found in the SPM and in the BPR5. In general, our results agree with studies that identify small, but consistent cognitive sex differences in reasoning tasks. Societal implications are discussed.

http://www.sciencedirect.com/science/article/pii/S0160289612001274

The findings suggest that the persistent – and usually neglected average large advantage of boys in mechanical reasoning (MR) — orthogonal to g – might be behind their higher presence in STEM (science, technology, engineering, and math) disciplines. A new look at this relevant social issue is proposed in this study.

http://www.sciencedirect.com/science/article/pii/S0160289612001225