For instance,stone spear points- a mark of Middle Stone Age technology--were replaced by bows and bone arrows. A companion paper, headed by Francesco d' Errico of the University of Bordeaux,France,found organic evidence that pointed to a similar date, probably representing the beginning of the...
For instance,stone spear points - a mark of Middle Store Agetechrology - were replaced by bows and boned’ Errico of the University of Bordeaux, France,found organic eviderce that pointed to a similarmodern-day hunter-gatherer society in South 3The Later Stone Age technology was thought to...
Stone spear points are abundant in the archeological record, yet we lack a theory to explain the creation, duration, and divergence of point types. Evolutionary studies of New World Late Pleistocene Paleoindian points are a step toward such theory, but limit the form of data and the ...
Paragraph 3:Ethnographic data from people who still use these tools, like one study of how the IKung hunter-gatherers use different styles of stone spear points to identify their different social groupings, indicate that even crude-looking stone tools may reflect a great deal of the social and...
Paragraph 3:Ethnographic data from people who still use these tools, like one study of how the IKung hunter-gatherers use different styles of stone spear points to identify their different social groupings, indicate that even crude-looking stone tools may reflect a great deal of the social and...
For instance,stone spear points - a mark of Middle Store Agetechnology - were replaced by bows and bored’ Errico of the University of Bordeaux, France,found organic evidence that pointed to a similarmodern-day hunter-gatherer society in South 2【题目】The Later Stone Age technology was ...
Paragraph 3:Ethnographic data from people who still use these tools, like one study of how the IKung hunter-gatherers use different styles of stone spear points to identify their different social groupings, indicate that even crude-looking stone tools may reflect a great deal of the social and...
For instance, stone spear points – a mark of Middle Stone Age technology – were replaced by bows and bone arrows. A companion paper, headed by Francesco d’Errico of the University of Bordeaux, France, found organic evidence that pointed to a similar date, probably representing the beginning...
Crucially, the points show signs of having been resharpened to maintain their symmetry. That is characteristic of spear tips and not of handheld cutting tools; the latter typically become less symmetrical with use because only the side of the tool used for cutting is kept sharp. ...
Ethriographic data from people who still use these tools, like one study of how the IKung hunter-gatherers use different styles of stone spear points to identity their different social groupings, indicate that even crude-looking stone tools may reflect a great deal of the social and economic ...