For an astronomical alignment to be considered archaeologically real, the alignment has to show intent.

To say that a culture reaches fluorescence is to say that a culture acts like a flower, it builds up to some monumental or beautiful peak

The concept of time is so full of ambiguities and paradoxes that it is no wonder that many societies worship time and its mysteries.

For thousands of years before European contact, the peoples of eastern North America have lived along the banks of the region's many rivers.

III - A mathematical construction is a mechanical physical act that is directly related to the physical act of constructing a structure.

II - Human-based measures are empirical and can create materials designed to fit individual differences.

I - Hopewell is the name for an inflorescence of a North American indigenous mound-building culture that had existed for thousands of years.

These words are categories, terms in which one separates the world into objects or things.

The fact that humans do not make purely rational decisions has been established in psychology and is taken as a set of constraints or bounds

The Hopewell culture culminates in a history that goes back thousands of years.