Nevertheless, he and other researchers agree with the authors» primary explanation for why art is common in modern human sites and rare at Neandertal ones: social and demographic factors. (sciencemag.org)
Berger cites a toxic culture as the primary explanation for why women are do not embrace these valuable majors. (cnbc.com)
Although the reasons for this variation are not clear, the marked differences in salt content of very similar products suggest that technical reasons are not a primary explanation. (cmaj.ca)