As racial protests call again for reconciliation around the legacy fo slavery in America, medicine faces a reckoning of its own regarding human experimentation, lack of representation and diversity, and racism embedded in "objective" clinical decision-making tools. But it's not all black and white when it comes to race and racism in medicine. This talk by Assistant Professor of Medicine Kristen Ann Ehrenberger sketches some of the history of how race came to be read into the natural variation of human bodies.