origins of racism

Studies on the connection between visual and social bias suggest a way to counter racism.
I've enjoyed catching up on recent research on the evolution and neurobiology of race and racism. Two of the most interesting reads are an article on the roots of racism by Elizabeth Culotta, and a Nature Neuroscience review by Jennifer Kubota and colleagues on the neuroscience of race.
It is not widely known that the European quest to appropriate Sanskrit motivated the construction of the "Aryan" race identity, one of the ideological roots of Nazism.