To varying extents, we humans are familiar with humans’ racist tendencies toward one another. We may not be as aware that we can be racist toward robots too. A new study suggests that if robots have anthropomorphic features like eyes or a face, people will often look at the color of the machine and, if asked to, assign the robot a racial category. And when asked to respond to a threatening robot, humans are quicker to shoot black robots than white ones.

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