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)