This week, a new family tree of dog breeds, advances in artificial wombs, and an autonomous robot that can print a building with Online News Editor David Grimm.  

Viviane Slon joins Sarah Crespi to discuss a new way to seek out ancient humans—without finding fossils or bones—by screening sediments for ancient DNA.  

Jen Golbeck interviews Andrew Schtulman, author of Scienceblind: Why Our Intuitive Theories About the World Are So Often Wrong for this month’s book segment.   

Listen to previous podcasts.  

See more book segments.    

[Image: nimis69/iStockphoto; Music: Jeffrey Cook]