Named after the site's location, the al-Maqar neolithic civilization is going to be challenging many theories about "when" civilization truely started.
Current theory is that 5,500 years ago, animals were domesticated. The al-Maqar civilization not only domisticated horses and other animals, but they also had arrowheads, scrapers, tools for spinning and weaving.
For more information, please visit the orignal Reuters article with the link below.
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1. Reuters.com. "Saudi Arabia discovers 9,000 year-old civilization" by Asma Alsharif. August 24, 2011. ( http://www.reuters.com/article/2011/08/24/us-saudi-archaeology-idUSTRE77N5TL20110824 ).