Cave Art 'Hashtag'

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 Monday in a paper describing the first discovery of artwork by this extinct species.

http://www.courant.com/news/nation-world/chi-neanderthal-cave-art-20140901,0,2293867.story