First up this week, Senior Correspondent Daniel Clery talks with host Sarah Crespi about how Breakthrough Listen—a privately funded initiative that aims to spend $100 million over 10 years to find extraterrestrial intelligent life—has changed the hunt for alien intelligence-link. 

And as part of a special issue on the Genotype-Tissue Expression  (GTEx) Project, Brandon Pierce, a professor in the Departments of Public Health Sciences and Human Genetics at the University of Chicago, joins Sarah to discuss his group’s work on variation in the protective caps at the end of our chromosomes. The gradual shortening of these caps, also known as telomeres, has been associated with aging.

 Read more from the GTEx special issue.

This week’s episode was produced with help from Podigy.

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[Image: V. Altounian/Science; Music: Jeffrey Cook]

Authors: Sarah Crespi; Dan Clery