Molecular biologist Maryam Zaringhalam discovers something strange about her sense of smell, and Hillary Savoie’s daughter is born with a rare genetic mutation.

Bioethicist Elizabeth Yuko uses her science training to report a sexual assault, and engineer Selam Gano returns to her father’s village in Ethiopia for a water project.

Science communicator Brian Mackenwells tries to smuggle something onto the vomit comet, and comedian Jess Thom learns the best way to explain her Tourette's to someone new. 

Journalist Erika Check Hayden travels to Sierra Leone to report on Ebola, and psychologist Ali Mattu suffers from paralyzing social anxiety as a child.