Scientists believed started in East Africa. This changed of 2.4-million-year-old tools found in Algeria. Scientists say that Algeria is the cradle of civilization. They found 250 and 296 animal . The animal bones show that early humans cut up . The of the project said the tools changed his that humankind originated in East Africa. He said: "Actually, the of Africa was the cradle of humankind."
Archaeologists have been digging on this for 25 years. The tools and bones were found about 200 east of Algeria's . The project leader said humans were killing for meat 600,000 years than we thought. Another said the tools showed that our were more than . She didn't know if they hunted. The scientists hope to find the tool-makers and older stone tools.
