The U.S. and many other societies are cycling into situations of toxic polarization today; discussion, let alone consensus, often appears impossible and the advantage goes to exclusionary social movements built on malignant rather than goodwill impulses. As Heritage Foundation president Keith Roberts stated...

Political polarization—the inability of groups such as political parties, religious sects, and cultural identity groups to cooperate even in basic, essential matters—has been a worry and a threat since American democracy began, and for many centuries before. James Madison called it “faction,” and in The...

Archaeology isn’t what it was in Indiana Jones’s heyday. The traditional image of the khaki-clad researcher scrambling over an excavation site with rock hammer and camel-hair brush has been supplemented by aerial and satellite photography, CT scanners and 3D modeling, and lidar that can isolate...

Do conservative and liberal brains work differently? What once might have been a semi-serious topic for kitchen-table discussions of political differences has burgeoned into a lively area of research for neural scientists. Increased ability to observe brain structure and function makes this possible, but the...