Erica Ferencik's father left his family to pursue his obsession with finding monogamy in the animal kingdom.
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George Church learns a lesson on the power of nature the hard way.
Read MoreChris Gunter: My Prosthetic
Geneticist Chris Gunter worries about passing on a rare condition to her son.
Read MoreKaren Hopkin: Who's The Donor?
A panicked day leads Karen Hopkin to wonder if her sperm donor really is the father of her child.
Read MoreRabiah Mayas: Identical Twins
An accidental revelation causes Rabiah Mayas to question her identity.
Read MoreErin Barker: Oh, just those four things?
Erin Barker struggles with a disease that only makes her give up four things; they just happen to be the four things worth living for.
Read MoreJim O'Grady: Running from the Bronx
In a high-stakes race in high school, Jim O'Grady draws from his mother's Bronx background for inspiration.
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