Researchers recently used near-infrared photography to get a detailed look at ancient artwork showing scenes of wild animals tangled in a fight. But these weren’t paintings on a cave wall. They were tattoos on the arms of a Siberian woman who lived 2,300 years ago. What can ancient ink tell us about our ancestors? Sticking and poking their way into this with Host Flora Lichtman are archaeologist Aaron Deter-Wolf and his research collaborator, tattoo artist Danny Riday. Guests: Aaron Deter-Wolf