Activists, scientists, farmers and politicians turn to regenerative agriculture to save the planet's topsoil.

In 1991, eight visionaries embark on a two-year experiment to quarantine themselves inside Biosphere 2—a self-engineered replica of Earth's ecosystem.

Polish immigrant and mathematician Stan Ulam helps create the hydrogen bomb and the first computer.

Documentarian Thomas Balmès visits the serene young monk from his film Happiness again,10 years after TV, the internet, and smart phones arrive at his remote Bhutanese monastery.

An unlikely mix of controversy, science and engineering, politics, the space race, and urban renewal transform Cambridge, Mass.'s Kendall Square into the biotechnology capital of the world.

A secret agent given a single word as his weapon must travel through time and bend the laws of nature to prevent the onset of World War III.

A filmmaker forges an unusual friendship with an octopus living in a South African kelp forest.

Con-artists Theresa and Robert have spent 26 years training their only daughter to swindle, scam, and steal at every opportunity. When they charm a stranger into joining their next scam, their world is turned upside down.

From reuse to energy generation, new innovations across five continents are explored in this documentary about building a future for sustainable water.

When his father dies in an accident, a young man decides to fix his family's financial situation by building an innovative airship with his friends.

When mysterious ailments strike a dial painter at American Radium, a dark truth emerges: She is not the first in the watch factory to fall ill. Her sister's legal fight against the corporation in 1928 launched workplace safety reforms and closer study of the dangers of radioactivity.

A skilled cook travels west to find his fortune in Oregon.

Will the Blue Brain Project—a highly publicized billion-euro effort to create a complete digital simulation of the human brain—revolutionize neuroscience or fall victim to hype, criticism, and its own ambitions?

Acclaimed paleontologist Mary Anning works alone selling common fossils to tourists to support her ailing mother, but a chance job offer changes her life when a visitor hires her to care for his wife.

A heavy-metal drummer's life is thrown into freefall when he begins to lose his hearing.

A neurologist known as "the father of cyborgs" confronts the ethical quandaries of self-experimentation and a future where human brains and technology combine.

A neurosurgeon falls in love, leaving her shining American career behind to start a new life.

A Mexican biologist's return from New York to his hometown near butterfly forests of Michoacán sparks a personal metamorphosis.

In a world where cool kids are nerds, the orchestra is world class and being Asian American is the norm, seniors at Lowell High School compete for the top prize: admission to the college of their dreams.

Nichelle Nichols, best known as Star Trek's Lt. Uhura, launches a recruiting campaign aimed at changing the face of NASA.

Diary musings, excerpts from lectures, and striking images offer insight into the life and work of Dutch graphic artist M.C. Escher.

This immersive look at the lives of stray dogs on the streets of Istanbul examines human society through their eyes and ears.

Deep in the forests of Piedmont, Italy, a handful of men, seventy or eighty years old, hunt for the rare and expensive white Alba truffle—which to date has resisted all of modern science's efforts at cultivation.

Five Native American Tribes restore their traditional land management practices across deserts, coastlines, forests, and prairies.