Science educator Charlie Cook experiments with coming out to students, and marine biologist Shayle Matsuda adapts to his new identity as a transgender man while on assignment in the Philippines.

Carlos Maza uses the plague to analyze his brutal breakup, and Panagiota Vogdou refuses to see her boyfriend as toxic until a stranger on the bus tells her to go to therapy.

After years of struggling with their gender identity, Parker Sublette finds inspiration in marine life, and bullied as a kid for the sound of his voice, Garret Glinka begins to reclaim his confidence thanks to biology class.

When Lydia Greene’s infant daughter has a troubling reaction to a routine vaccine and her concerns are dismissed by a healthcare professional, she turns to an online parenting forum for answers, and after moving to a new town and feeling isolated, Sarah Ott looks for connection through talk radio and a local church—only to find herself pulled into a world of climate denial and conspiracy thinking.

Maryam Zaringhalam's scheme to cheat her way into the smart class makes clear a huge flaw in the education system, and on the first day of grad school for her PhD, a fellow student tells Bianca Jones Marlin that she doesn't really belong there.

Stuck in a monsoon on Kauai, Belinda Fu unintentionally ruins a friendship with a classmate, and Matt Storrs blames a dinosaur scientist’s theory for the end of his marriage.

After being diagnosed with breast cancer and opting for bilateral mastectomies, Jenna Dioguardi becomes beholden to her cancer to-do list, and as an 11-year-old kid, Luke Strathmann makes it his life mission to get rich off of Beanie Babies.

Rita Rigano always had a complicated relationship with her mother, and it becomes even more fraught when her mother’s dementia worsens, and in the midst of writing her PhD dissertation, Jordyn Rice embarks on one last road trip with her mother, who is dying of lung cancer.

Thomas Dixon and Rachel Robinson manage to build a friendship, despite not remembering the exact moments they shared.

After a car crash alters Emily Winn's life forever, she must relive the trauma when she testifies in a deposition, and geneticist C. Brandon Ogbunu contemplates the role race has played in his academic career after he is confronted by the police.