For clues, Dass looked at her family, whose European and African skin tones range from “pancakes ... Dass blames what she calls our “binary” color palette. When she was six, her teacher ...

Human populations feature a broad palette of skin tones ... The findings help explain the vast range of skin color on the African continent, shed light on human evolution and inform an ...

DUARTE, Calif. -- One day physicians may be able to look at an African American's skin color and, with the help of other determinants, know if prescribing vitamin D supplements would lower that ...