Two small changes in human DNA may have played a big role in helping our ancestors walk upright, researchers say. The study, recently published in the journal Nature, found that these tweaks changed ...
Humans were isolated in southern Africa for about 100,000 years, which caused them to "fall outside the range of genetic variation" seen in modern-day people, a new genetic study reveals. The finding ...
United States President's Commission for the Study of Ethical Problems in Medicine and Biomedical and Behavioral Research siris_sil_437212 ...
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