Phillip Comella discovers the cause of his “excessive bathroom breaks” while working on his thesis in biomedical science, and neuroscientist Kelley Remole begins suffering from mysterious and paralyzing headaches.

When puppeteer Raymond Carr gets the opportunity to work on a show about dinosaurs, he worries about how his creationist parents will react, and a trip to the Kennedy Space Center reminds science journalist Wade Roush of his early inspiration.

As a kid, Dan Souza finds it hard to appreciate his mother’s nursing expertise until he sees it in action, and when Michaella Thornton shares her struggles with infertility with her farmer father, his response stuns her.

The only thing standing in the way of Jennifer Landa’s dreams of studying art in college is her grade in chemistry, and when she’s accepted into the conversation fellowship of her dreams, Emi Okikawa must tell her family that she’s leaving their home in Hawaii.

An expert in oxytocin, the hormone released during birth, Bianca Jones Marlin is determined to have a natural birth, and science writer Veronika Meduna thought she never wanted to have children, but in her late thirties, she changes her mind.