Jean Le Bec travels abroad to find a solution to her dental problem, and science writer Michael Lemonick interviews an old friend who lost the ability to form memories.

Biochemist Katie Wu's mother won't believe she's lactose intolerant, and neuroscientist Oliver Vikbladh finds answers about his sister's disability.

Erica Silberman tries to care for her mother, who has Alzheimer's, and Pat Furlong searches for answers when her sons are diagnosed with a dangerous condition

Ornithologist Sam Snow finds his research comes at a cost, and biologist Megan Hatlen worries that she’ll never make a breakthrough in her research.

Cancer survivor Benjamin Rubenstein comes up with a creative solution to the after-effects of his treatment, and Abbas Mousa becomes a computer scientist to survive the Iraq war.

To escape his identity, Richard Cardillo joins a Catholic mission in Peru, where he becomes a community health organizer, and marine biologist Liz Neeley feels invisible to her coral conservation colleagues. 

Science journalist Eli Chen tries to combat her complicated romantic feelings with neuroscience, and Shannon Palus gets more than she expected when she takes an internship at a nuclear energy lab.

Biologist Maryam Zaringhalam is visiting her family's home country of Iran when the travel ban goes into effect, and Chernobyl survivor Janina Scarlet flees the Soviet Union with her family

Heather Abbott-Lyon and her husband, both chemists, try to balance their love and science, and Tracey Segarra must choose her newborn daughter's surgeon.

Neuroscientist Devon Collins encounters racism in academia, and OB-GYN Veronica Ades struggles to save a pregnant woman's life in South Sudan.