Editorial

Gerhard Meisenberg

Implications of the Neolithic Revolution for Male-Male Competition and Violent Conflict

Menelaos Apostolou

The Relationship between the “Smart Fraction”, SES, and Education: The Sudan Case

Adel A. Batterjee

Corpora and Corpus Tools for Indigenous African Languages: The Case of an IsiZulu-English Spoken Word Code-Switching Corpus

Gugulethu Mazibuko and Hloniphani Ndebele

Gender Differences on the Standard Progressive Matrices of South Sudanese Living in Khartoum

Asma Sirageldin Fathelrahman Ahmed, Habab Abdlahiy Osman, Salaheldin Farah Attallah Bakhiet, Helen Cheng and Richard Lynn

An Increase of Intelligence in Libya from 2006 to 2017

Alsedig Abdalgadr Al-Shahomee, Saleh El-Ghmary Abdalla and Richard Lynn

A New Study of the Coloured Progressive Matrices in Libya

Salaheldin Farah Attallah Bakhiet, Nasser Said Gomaa Abdelrasheed and Richard Lynn

A Study of Sex Differences in Intelligence of Somali Refugees in Kenya

Salaheldin Farah Attallah Bakhiet, Nasser Said Gomaa Abdelrasheed, Mohammed Mohammed Ateik Al-Khadher, Mohamed Hussein Adan, Helen Cheng and Richard Lynn

A New Study of Intelligence in Egypt

Khaled Elsayed Ziada, Hanaa Abdelazim Mohamed Metwaly, Salaheldin Farah Attallah Bakhiet, Helen Cheng and Richard Lynn

Employment Rates for 11 Country of Origin Groups in Scandinavia

Emil O. W. Kirkegaard

An Update on the Secular Narrowing of the Black-White Gap in the Wordsum Vocabulary Test (1974-2012)

Meng Hu

Cognitive Abilities, Democracy and Software Piracy: A Note

Shoirahon Odilova and Gu Xiaomin

Book Review: Rigor Mortis: How Sloppy Science Creates Worthless Cures, Crushes Hope, and Wastes Billions

Aldric Hama

Book Review: The Rhythm of the West: A Biohistory of the Modern Era AD 1600 to the Present

Gerhard Meisenberg

About Mankind Quarterly

Notes for Authors