(Special to The Root) — Skin color is one of our most important biological traits. Its many shades evolved as humans moved far and wide into regions with different intensities of sunlight. Skin color ...

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

Shaw Badenhorst works for the University of the Witwatersrand. He receives funding from GENUS, the National Research Foundation and the Palaeontological Scientific Trust. South Africa has one of the ...