8 September 2014
Depictions of animals in ancient Egyptian artifacts have helped scientists assemble a detailed record of the large mammals that lived in the Nile Valley over the past 6,000 years. A new analysis of this record shows that species extinctions, probably caused by a drying climate and growing human population in the region, have made the ecosystem progressively less stable.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/R93k9iOCxbE/140908152916.htm
