The researchers found that all but one of the 121 African ethnic groups studied have more within-group genetic diversity than any of the 60 non-African ethnic groups for which comparable data were ...
UNESCO calls on the international community as a whole to promote multilingualism, making the richness and diversity of linguistic heritage an instrument of lasting peace. In Africa, children taught ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results