Engineers designed a case to protect the map that first used the word "America" to describe the land masses now called North and South America. The air-tight container is made of two large sheets of aluminum and a double piece of non-reflective laminated glass. It also includes a system dedicated to maintaining the proper temperature and replacing all potentially destructive oxygen with inert argon gas.
The instability of large, complex societies is a predictable phenomenon, according to a new mathematical model that explores the emergence of early human societies via warfare. Capturing hundreds of years of human history, the model reveals the dynamical nature of societies, which can be difficult to uncover in archaeological data.
Additional authors: pzriokaASU scientists are exploring the impact of past people's actions on present-day ecosystems.Alternate Text: Rock terracesIs event: 0Image Caption: Ancient rock terraces installed by the
Almost 150 years later, conservators are getting the first up-close look at the sunken USS Monitor's 30-ton steam engine, an engineering wonder of its day, and the mighty heart of a ship that played a notable role in America's Civil War.
A case of whisky left behind by explorer Sir Ernest Shackleton and buried under the Antarctic ice for more than a century is being returned to Scotland by an Indian businessman who hopes to recreate the historic tipple. (#Shackleton's hidden whisky supplies found after 100 years. The lengths taken to keep a hip flask filled up! http://ow.ly/3FQ15 ~Rach)