Science Did Neanderthals produce abstract art?

In a discovery that suggests that the ability to think abstractly was not limited to Homo sapiens, researchers have found carvings on cave walls that were etched by Neanderthals.   

By , Reuters

Courtesy of Stuart Finlayson via Journal/AP

Belying their reputation as the dumb cousins of early modern humans, Neanderthals created cave art, an activity regarded as a major cognitive step in the evolution of humankind, scientists reported on Monday in a paper describing the first discovery of artwork by this extinct species.