Eleventh-grade U.S. history teacher Samantha Manchac is concerned about the new materials and is already ... give her kids is how textbooks can tell different versions of history.

"A total mess" Despite the phenomenon's ubiquity, understanding how different materials undergo contact ... Not yet suspecting the samples' contact history to play a role, they had been testing ...

Like other buildings, pagodas underwent great changes in structure and style as new building materials and technologies developed. According to historical accounts and extant examples of ancient ...

"Chairs are a perfect way to illustrate the different periods of history," said Pourny ... technical progress, materials and society." In chapter one, "Meet Your Furniture," Pourny takes a ...