Summary: We're taking a summer break during July, but we'll be back in August with new episodes telling the stories of leading research with some of the world's greatest minds. During the break, we'll be bringing you updated versions of prior episodes. This week, evolutionary biologist Neil Shubin spent six years in the Arctic searching for a fossil that could be a missing link between sea and land animals. What he found changed our understanding of human evolution, and the future of genetic research.
