资讯

With a spectacularly clear look at the remnants of ancient subduction zones under North America, Sigloch and her colleague Mitch Mihalynuk have revised 200 million years of geologic history.
THIS account of the geological history of North America is intended for students and readers interested in the cultural aspect of the science. The author, like all geologists, believes that a ...
Clues to the Lives of North America’s First Inhabitants Are Hidden Underwater Submerged prehistory holds insights on the first humans to live in North America Sean Kingsley - History Correspondent ...
It's easy to forget how young North American nations are compared to the rest of the world.
For more than a generation, historians have been researching and writing American Indian history and showing how to incorporate it into U.S. history. The title of a 2015 collection of academic ...
Ancient horses roamed the North American continent for millions of years. And many, many years later, horses played an integral role in building the foundation of the United States. However, there ...