Archaeological discoveries

What human artifacts mark the beginning of hunter gatherer socities?

* Stone tools, such as hand axes, scrapers, and projectile points

* Bone tools, such as needles, harpoons, and spear points

* Cave paintings and other forms of art

* Jewelry and other personal ornaments

* Burials and other evidence of mortuary practices

* Hearths and other evidence of cooking

* Evidence of trade and exchange between different groups