Unearthing family history -- one saliva sample at a time.
This hour: how low-cost DNA testing helped spawn an industry and, with it, a new wave of genealogical sleuthing.
- Nora Galvin - Certified genealogist based in Bridgeport, Connecticut
- Alice Collins Plebuch - Retired information systems manager and full-time grandmother based in Washington State
- Miguel Vilar - Senior Program Officer and Lead Scientist for National Geographic’s Genographic Project
Chion Wolf contributed to this show.