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.

A central clarification in the book is there was never a time when Hindus did not resist. Resistance took many forms.

Consider this, if you would: a network of far-flung, powerful, high-tech civilizations closely tied by trade and diplomatic embassies; an accelerating threat of climate change and its pressure on food ...

(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 ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Ayatollah Mohammed Emami Kashani is a soft-spoken 90-year-old who speaks ...