From Stem Cells to Eggs (and Beyond)

Reporting in Science, researchers write that mouse stem cells can be transformed not only into egg cells—but into newborn pups. Sean Morrison, a stem cell expert at the University of Texas Southwestern, explains the stem cell’s journey, and what it could mean for fertility and assisted reproduction.

Segment Guests

Sean J. Morrison

Sean Morrison is the director of the Children’s Research Institute at the University of Texas Southwestern Medical Center in Dallas, Texas.

Meet the Producers and Host

About Christopher Intagliata

Christopher Intagliata was Science Friday’s senior producer. He once served as a prop in an optical illusion and speaks passable Ira Flatowese.

About Jon Chang

Jon Chang is a science reporter based in New York City. He also has an unhealthy obsession with math, even if he’s not very good at it.