Science writer Ed Yong comes face to face with a wild rhino in South Africa, and scientist Gifford Wong must resuscitate a seal in Antarctica.

Pediatrician Ken Haller comes across a disturbing X-ray, and neuroscientist Maureen Boyle's relationship with her sister is complicated when she begins working on drug policy.

To make ends meet as a student, Cris Gray takes on a tough job in a university lab, and Raychelle Burks learns how to cope with death as a forensic chemist.

Raised a creationist, Adam Andis grows up to be an evolutionary biologist, and Angel Yau excels in sixth grade science with the help of her mom.

As a young bio major, Margot Wohl spends a summer with a sexist colleague, and physics student Stephanie Loeb is intimidated by her enigmatic project leader.

Frank Stabile struggles with compulsive behavior as a young scientist, and Deena Walker's dreams of a science career are hindered by her relationship.

Two native Louisianians, one a scientist and the other a fourth-generation fisherman, struggle with the impacts of the Deepwater Horizon oil spill on their lives.

A 13-year-old seeks answers about the scientific terms he hears at school, and a scientist struggles to please his dad

Yael Fitzpatrick and her friends try to save a sea turtle, and Dawn Wright finds she's the only black woman on a two-month voyage aboard a scientific drill vessel.