Specifically, Cann and colleagues hypothesized that the ancestress of all of modern humanity lived only 200,000 years ago, rather than more than a million years ago, when primitive humans first ...
It could help cancer patients preserve their fertility, improve infertility treatments, and “deepen scientific understanding of the biology of the earliest stages of human life,” he adds. In the study ...
The most primitive hominid yet found, this species has more chimpanzee-like features than any other human ancestor. Ardipithecus ramidus may have walked upright. Other fossils discovered with A.