European cave art gets older

Red disks, hand stencils and club-shaped drawings lining the walls of several Stone Age caves in Spain were painted so long ago that Neandertals might have been their makers, say researchers armed with a high-powered method for dating ancient stone.

Scientists have struggled for more than a century to determine the ages of Europe’s striking Stone Age cave paintings. A new rock-dating technique, which uses bits of mineralized stone to estimate minimum and maximum ages of ancient paintings, finds that European cave art started earlier than researchers have a