Foreword / J. Francis Thackeray -- 1. African genesis : an evolving paradigm / Sally C. Reynolds ; 2. Academic genealogy / Peter S. Ungar and Phillip V. Tobias -- pt. 1. In search of origins : ...
Researchers found that ancient hominids—including early humans—were exposed to lead throughout childhood, leaving chemical traces in fossil teeth. Experiments suggest this exposure may have driven ...
Hominid evolution produced many species. Some overlapped in time. All but one— Homo sapiens, us—ended in extinction. This chart shows roughly when some of the known species in the human family lived.
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