This image, taken by an unknown photographer in 1905, is an example of a cyanotype. The Metropolitan Museum of Art, William L. Schaeffer Collection A new exhibition at the crossroads of art, history ...

Stone tools found in some of the earliest settlements in the Americas are challenging the prevailing theory of when the first migrations to the region happened. These tools, probably used as spear ...

Recent evidence has emerged that challenges long-held beliefs about the origins of the first Americans. Instead of walking from Siberia across the Bering land bridge, new findings suggest that these ...

Introduction: the experience of early American technology -- Technology in early America: a view from the 1990s -- The exhilaration of early American technology: an essay -- Lost, hidden, obstructed ...