This video [9:33] focuses on social stratification in the U. S.; it is the 23rd episode of the sociology course. Social class in America is hard to talk about. As Sociology, the difficulty lies in pinning down what we mean by "Social...

What's the difference between race and ethnicity? Today we'll look at how definitions of races and ethnicities have changed over time and across places. We also discuss the terms minority and minority-majority and how races are defined...