Although experts generally agree that populist political leaders or parties display high levels of anti-elitism, definitions of populism vary. We use three measures to classify populist parties: ...

Recent papers have shown the feasibility of classifying humans into categorical populations from their genotypes. How can this be reconciled with the claim that human races are biologically ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...