As a new science teacher, Zeke Kossover is determined to capture the attention of his students, and while on a field expedition in Kenya, Evan Wilson is tasked with the seemingly impossible job of figuring out the role of dust in wearing down herbivore teeth.

When Colleen McDermott signs up to be a forestry conservationist for the summer, they soon notice that none of their colleagues look like them, and on Pete McCorvey’s first deployment in the United States Navy, he is dreading the part of training where he gets pepper sprayed.

As a teenager growing up in Iran Yasamin Jodat hears about a robotics competition at the local boys' school, and she is determined to do whatever it takes to be part of it, and a third cancer diagnosis threatens to ruin JulieAnn Villa's love of running.

Discouraged by the medical approach to pregnancy, Julia Whitehouse decides to have a home birth, and when Nessa Goldman splits with her husband, her dream of having children by age 35 is in jeopardy.

When Zach Weinersmith agrees to create a trivia game, he doesn’t realize how hard it is to come up with facts that are both interesting and actually true, and concerned about his eyesight, comedian Josh Johnson desperately searches for a good doctor.

While preparing for a lecture, Stacy Vasquez finds a racist term on a skin slide, and while learning about Lyme disease in medical school, LaShyra Nolen isn’t satisfied when the professor can’t tell her what the rash would look like on dark skin.

After ending up in the ER for the third time, Rachel Alvarez struggles to understand what’s going on with her health, and as a young adult with muscular dystrophy, Monkol Lek refuses to give up on his ambitions.

Neuroscientist Rebecca Brachman is working late one night alone in the lab when she accidentally sticks herself with a needle full of deadly toxin, and Ali Mustafa finds that the scars of war stay with him even at his new job in the lab.

Documentary filmmaker Caitlin Starowicz is so focused on making her movie about endangered Mountain Gorillas a success that she fails to see what’s in front of her, and for a story on escape rooms, journalist Danny Wicentowski studies the trials, triumphs, and strategies of the players.

Documentary producer Mariah Wilson is days into making her film about the endangered Forest Elephant and still hasn’t seen one, and Science Journalist Katherine J. Wu interviews Mariah Wilson to learn more about the stars of her documentary Silent Forests.