Researchers suggest ancient round ‘tools’ were actually *******
 

http://cdn.slashgear.com/wp-content/...in-680x294.jpgAncient stone objects are often rudimentary in design and, due to their age and possible exposure to the elements, sometimes lacking in finer details. This can make it difficult to discern what exactly any particular discovery is, and few things are more ambiguous than simple stone spheres. Were previously discovered round hand-sized stones used as tools? Researchers have thought so, … Continue readinghttp://feeds.feedburner.com/~r/slashgear/~4/C4UbivOAcVg

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