Sometimes, nature shapes and creates forms so perfect they can fool even the most trained eyes. This is the case with phenomena known as geofacts—a term that combines geology and artifact—a type of ...

The Eolithic controversy dominated debate about the earliest human tools between approximately 1880 and 1930, and raised acutely the difficulties of identifying stone that had been selected and ...

Water and wind can be tricksters. Over time, these erosional forces can sculpt rocks, shells and other natural materials into shapes that appear to be the work of human hands (or of those of our ...