Sex Bias in the Iberian Peninsula (IMAGE) University of Huddersfield Caption The University of Huddersfield's Archaeogenetics Research Group joined an international team conducting the study which spanned an 8,000-year period. Credit University of Huddersfield Usage Restrictions Image must be fully credited to the University of Huddersfield and only be used when republishing the article. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.