Ancient warmth in Greenland

Two-million-year-old molecular fossils reveal flourishing woodlands and widespread animals in Greenland's pre-Ice-Age past, and give hints to the Arctic’s future under global warming. We hear from a molecular palaeontologist and a climate modeller. DNA also reveals the enduring genetic influence of our extinct Denisovan cousins on disease immunity in modern island South East Asians. And the art and science of 3D-printing violins Producer: Roland Pease Assistant producer: Sophie Ormiston (Image: Landscape illustration with three elephants. Credit: Beth Zaiken/bethzaiken.com)