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For many decades, scientists the earliest humans in East Africa. This belief has because of a collection of 2.4-million-year-old stone tools in Algeria. Scientists now that Algeria and not East Africa is the cradle of civilization - where humankind . The new find consists of 250 tools. There were also 296 animal bones. The scientists say the animal bones show that early humans were meat. Dr Mohamed Sahnouni, leader of the project, : "The evidence from Algeria changes the earlier view that East Africa the cradle of humankind." He : "Actually, the whole of Africa was the cradle of humankind."

Archaeologists have been at various sites on this project for 25 years. The sharp-edged tools and bones were near the city of Setif, about 200 miles east of Algeria's capital, Algiers. In particular, the animal bones the scientists. Dr Sahnouni said it is now clear that humans were animals for meat 600,000 years earlier than previously . A Spanish archaeologist said: "The effective use of sharp-edged tools ... that our ancestors were not mere scavengers." She said it wasn't clear whether or not they , but they did with other animals to access to meat. Dr Sahnouni now hopes to the tool-makers and even older stone tools.