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 ...

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.

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 ...

You survived the Mayan apocalypse, or at least transitioned to the next baktun, number 14 according to the Mayan calendar. But what real lessons does this ancient culture hold? First and foremost, the ...

Life as we know it is being threatened by everything from climate change to resource depletion. Commentator Adam Frank looks back at 1177 B.C. —... Consider this, if you would: a network of far-flung, ...