When we change energy regimes, it makes possible much more complex economic relations.

FORBES: Jeremy Rifkin's Third Industrial Revolution

People rely on their spatial knowledge to build many other more complex or abstract representations including time, number, musical pitch, kinship relations, morality and emotions.

WSJ: Does Language Influence Culture?

But creating the new degree program "has turned out to be somewhat more complex than we anticipated, " says Kevin Anselmo, associate director of public relations.

WSJ: In Abu Dhabi, a B-School's Program Goes Adrift

There is possibly more detail about the internal politics of the Kosovar diaspora, and their highly complex relations with the Albanian motherland, than most general readers will need.

ECONOMIST: The roots of the Kosovo calamity