Journalist Judith Stone worries she'll cause conflict writing about cultural differences aboard the International Space Station, and nurse Anna Freeman attempts to advise a Syrian hospital over a shaky Skype connection.

Mari Provencher's family is rocked by changes -- starting with her mother's decision to become an entomologist, and psychologist Amber Hewitt realizes her passion lies outside of academia.

Alison Williams' blossoming passion for chemistry is sidetracked by a professor's thoughtless comment, and climate scientist Sarah Myhre speaks out against a senior scientist's problematic statements about climate change.

Ted Olds fears he’ll fail to graduate after his parents sacrificed to send him to engineering school, and Kayla Glynn’s challenging relationship with her science-loving grandfather alters the course of her life.

Adam Ruben and his friends create a Rube Goldberg machine for a school project, and science writer Leah Shaffer discovers an interesting way to manage her chronic illness -- hookworms.

Saad Sarwana tries to juggle careers in physics and comedy, and Jean Zarate is torn between science and music until a tragic event brings both into perspective.

Astrophysicist Jesse Shanahan tries to uncover the mysteries behind both black holes and her own chronic pain, and comedian Sarah Pearl checks into a psychiatric hospital after having suicidal thoughts.

Rattled by a recent heartbreak, neuroscientist Prabarna Ganguly makes a mistake in the lab, and marine ecologist Kirsten Grorud-Colvert has an unexpected encounter with a hammerhead shark. 

Biochemist Melanie McConnell encounters unexpected resistance when she tests an experimental cancer treatment, and rape survivor Mo Culberson helps train doctors to treat other rape survivors.