There's no doubt that we humans share strong evolutionary ties with other animals. But it's not at all clear what that means in ethics.
"Love drugs": Questioning "emotional enhancement" What would happen if we were able to help our most significant relationships through a rough stretch with a puff of hormones from a nasal spray? Where do you draw the liine between realism and manipulation?
How do science and faith shape the way we think about memory? This also has implications for how we think about enhancements. https://scienceandbelief.org/2016/12/08/forgetting-in-order-to-remember-how-science-and-faith-shape-how-we-think-of-memory/
In the age of genome editing, the question of genetic enhancements takes on new urgency. The philosopher Michael Sandel published an influential critique, which this post reviews.