Every human voice is acoustically unique. The anatomy and evolutionary history behind that fact turns out to be one of biology’s better surprises.

Dr. Scott Simpson has been active in paleoanthropological field and laboratory research in Ethiopia since 1992 as a member of the Middle Awash Research Project, the Gona Research Project, and he is ...

Leaf through a textbook, watch a wellness influencer or listen in at the gym, and it can feel as though the human body has already been mapped to exhaustion. Every muscle named, every nerve traced.