An examination of how sound design transforms the cinematic experience, and an exploration of the cutting edge of sound technology.

A look at the lives of working cowboys on America's largest cattle ranches—including their connection to a storied past and the challenges they face in the future.

An exploration of the surprising world of taxidermists: passionate artists who push creative boundaries while revealing the importance of preserving nature.

The magical world of fungi and their power to heal, sustain and contribute to the regeneration of life on Earth.

Balloon pilot Amelia Wren and meteorologist James Glaisher find themselves in a fight for survival while pursuing scientific discoveries in a gas balloon in the 1860s.

The emotional and physical journey of surgical transitioning after New York state passed the law that health insurance should cover transgender-related care and services.

Filmmakers travel to six continents and 20 countries to document the impact humans have made on the planet.

A talented and temperamental creator of world-class perfumes begins having trouble with her sense of smell, leading her to seek help from an unlikely source in order to restart her esteemed career as a "professional nose."

Can 11 year-olds take on plastic pollution?

A documentary exploring the life of neurologist and best-selling author Oliver Sacks—an old-fashioned polymath and natural historian who redefined our understanding of brain and mind.

An artist losing his father to dementia attempts to capture their shared memories through a stage show performed by fantastical life-sized puppets.

An interracial couple seeks a forensic examination after the woman is sexually assaulted by a stranger.

A band of young scientists discovers a radical new theory of the natural world, one that could help confront some of the biggest environmental challenges of our time.

A couple are followed through their successes and failures as they work to develop a sustainable farm on 200 acres outside of Los Angeles.

Two women and a rare community of butterflies stand on the front lines in a battle against the US-Mexico border wall.

A secretive, high-tech gerrymandering initiative launched 10 years ago threatens to undermine our democracy. Slay the Dragon follows everyday people as they fight to make their votes matter.

A woman in hiding is forced to go on the run when her superhuman abilities are discovered. Years after abandoning her family, the only place she has left to hide is home.

While retracing the steps of her groundbreaking 1956 journey to South Africa to study giraffes in the wild, Dr. Anne Innis Dagg reflects on the forces that destroyed and restored her career and discovers a startling contrast between the world of giraffes she once knew and the one it has become.

Two Russian botanists in a besieged city must protect the invaluable edible specimens of a seed bank from their starving fellow citizens, enemy forces, rats, and each other.

A look at the world of automated vehicles and the future of driving.

A boy in Malawi helps save his village from famine by building a wind turbine after reading about them in a library book.

A mourning Hasidic widower enlists a reluctant biology professor in his obsessive quest to understand what exactly will happen to his young wife's body as it returns to dust.

A successful "house tuner" in New York City, who calibrates the sound in people's homes in order to adjust their moods, meets a client with a problem he can't solve.

Doctors and leading health experts discuss how lifestyle changes can prevent, manage or reverse chronic diseases.