In this segment, Ari Daniel Shapiro introduces us to a young woman and her years-long search for the man whose donated sperm was used in her conception. Kathleen LaBounty has thought long and hard about what fatherhood means, about the psychology of genetic relationships, and about the complicated emotions tied ...
Sperm carry half the genes needed for human life. In this hour of Radiolab, we examine our beginnings, take a tour of the animal kingdom, and ponder a world where frozen sperm can last for all eternity.
