Tools recovered from three sedimentary layers in Kenya show continuous tool use spanning from 2.75 to 2.44 million years ago in the face of environmental changes.
Medlife Crisis on MSN
Why the history of heart science reveals more about humanity than anatomy
From ancient philosophers who saw the heart as the seat of the soul to modern cardiologists mapping electrical impulses, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback