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. Shubin shares the story behind his discovery of Tiktaalik, what it has meant for the understanding of human evolution, and how it has impacted the future of genetic research.

• Neil Shubin episode show notes and full transcript
• Read more about Shubin's discovery of Tiktaalik

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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.