Pew Research Center defines the middle class as a household with income that is at least two-thirds of the U.S. median income ...

The growing network of relationship in social Snetwork has contributed to rising maximization of information diffusion by identifying the influential node through various centrality measures. The ...

Women who see themselves as having lower social status are more likely than other people to show early signs of heart stress linked to future disease risk, according to a new study led by researchers ...

Class struggle isn’t a modern invention — it’s been with us for thousands of years. Sarah Bond is a professor of classics at ...