For many, population is the only metric that matters. But what does it mean when a city's population is declining while its workforce is growing—in both size and smarts?
A new book argues that the growing megacities like Lagos and Dhaka — with their massive suffering and chaos — are breeding grounds for epidemics and worldwide terrorism. And maybe its time for the U.S., and other developed nations, to intervene.
Anthropologist Christopher von Rueden's studies of a Bolivian tribe suggest that men's instinctive drive for power is a strategy to seed their descendants thickly.
In a little remarked upon sign of the times, U.S. government health surveys will start asking Americans to check a box about their sexual orientation in 2013.
A comprehensive look at voter behavior and demographics reveals a momentous prospect: A Hispanic electorate that votes en masse, allies itself with one political party and changes America's political balance for decades.
A better economy saw people leaving the Midwest and Northeast in droves, taking their votes with them. But bad times mean they stay put — just in time for redistricting.