Second, the definition of “enhancement” used in this entry restricts the term to biomedical interventions, even though other methods of increasing normal human capacities raise ethical issues as well. Electronic and robotic tools that enable us to listen, observe, help or harm at a distance, lifestyles designed to maximize particular talents, and social practices that foster new forms of human relationship all come with their own trade-offs and moral concerns. But the focus of the enhancement ethics literature is overwhelmingly on interventions that make biological changes in human bodies and brains, using pharmaceutical, surgical, or genetic techniques (Clarke, Savulescu, Coady, et. al., 2016). Standard examples include: