Planetary geologist Sara Mazrouei misses out on a dream opportunity -- because of where she was born, and marine ecologist Madhavi Colton faces down despair as the challenges of conservation overwhelm her.

Climate scientist Kim Cobb is exploring a cave in Borneo when rocks begin to fall, and neurobiologist Lyl Tomlinson is startled when he's accused of stealing cocaine from his former lab.

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.