image: Lab excavation of permafrost blocks sampled at Berel' kurgan 11. This material relates to a paper that appeared in the April 28, 2017, issue of Science, published by AAAS. The paper, by P. Librado at Natural History Museum of Denmark in Copenhagen, Denmark, and colleagues was titled, 'Ancient genomic changes associated with domestication of the horse.' view more
Credit: Sébastien Lepetz, CNRS