Is Bead Find Proof Modern Thought Began in Africa?
http://news.nationalgeographic.com/news/2004/03/0331_040331_ostrichman.html

Hillary Mayell, National Geographic News


This site from National Geographic examines the consequences of the discovery of human-crafted ostrich-eggshell beads in Africa that appear to be 70,000 years old. The find suggests that humans were capable of symbolic thought much earlier than previously believed.

This resource is referenced here:
Subject: Biology:Evolution
Resource Type: Scientific Resources:Overview/Reference Work
Topics: Biosphere:Evolution