What can you learn from studying baby poop? Scientists tracking the surprising things that (literally) come out of a baby over the course of a year have been able to trace a timeline of the development of bacterial ecosystems within the human gut. We'll find out more. Teachers, find more information about using Science Friday as a classroom resource in the Kids' Connection.
Chana Palmer
Program Director
Canary Foundation
San Jose, California
Segment produced by:Annette Heist