We can draw conceptual borders between any two things, that doesn't automatically make those categories "scientific". Something being "scientific" has the impli

We can draw conceptual borders between any two things, that doesn't automatically make those categories "scientific". Something being "scientific" has the implication that is has explanatory usefulness or predictive validity beyond the tautological ability to predict the definitions used to construct the categories. A taxonomy of humans based on statistical clusters of genotypes might be a scientific way to approach race/ethnicity, but subjectively chosen phenotypes is not it.