Editor’s note: This article, distributed by The Associated Press, was originally published on The Conversation website. The Conversation is an independent and nonprofit source of news, analysis and ...

From the rise of Cahokia to the collapse of the Roman Empire, ancient civilizations reveal patterns of innovation, resilience, and decline. Their stories hold warnings about environmental ...

Add Yahoo as a preferred source to see more of our stories on Google. Aghazadeh Mansion, a national historic site in Iran, was built with elaborate wind towers and other natural cooling techniques.

“Great civilizations are not murdered. Instead, they take their own lives.” The great historian Arnold Toynbee concluded this in his 12-volume magnum opus A Study of History. It was an exploration of ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Adriana Zuniga-Teran, University of Arizona (THE CONVERSATION) Modern buildings tend ...