As state-legalized cannabis spreads, NOVA investigates the latest scientific evidence for its potential benefits and risks, and how criminalization has disproportionately harmed communities of color.

Trace the improbable journey of Robert Shaw's life and career, from his childhood as a preacher's son in rural California through his meteoric rise as a star of popular music during the Great Depression. An early champion of civil rights, his chorales were among the first to break the color barrier in the American South.

In summer 2017, three monster hurricanes swept in from the Atlantic one after another, shattering storm records and killing hundreds of people. Dive into the devastation wrought by Hurricanes Harvey, Irma, and Maria. How can scientists better predict these storms, and what does the 2017 season tell us about the likelihood of similar storms in the future?

This documentary investigates what our ancient ancestors looked like and what would have happened when we met them. It turns out that what we thought we knew about them is wrong. They weren’t hunched, grunting, knuckle-dragging ape-men at all. In a reconstructed, imaginary confrontation, we discover they were faster, smarter, better looking and much more like us than we ever thought.

Do we control our fat, or does it control us? Scientists are coming to understand fat as a fascinating and dynamic organ, one whose size has more to do with biological processes than personal choices. Through real-life stories of hunter-gatherers, sumo wrestlers, and supermodels, explore the complex functions of fat and the role it plays in controlling hunger, hormones, and even reproduction.

"... [A] look inside the controversial religion from Academy Award-winner Alex Gibney. The film profiles eight former members of the Church of Scientology, exploring the psychological impact of blind faith, how the church attracts new followers and keeps hold of its A-list celebrity devotees."--Container.

"Africa's Great Civilizations In his six-hour series, Africa's Great Civilizations, Henry Louis Gates, Jr. takes a new look at the history of Africa, from the birth of humankind to the dawn of the 20th century. This is a breathtaking and personal journey through two hundred thousand years of history, from the origins, on the African continent, of art, writing, and civilization itself, through the millennia in which Africa and Africans shaped not only...

For two years, special counsel Robert Mueller's probe into Russian meddling in the 2016 election dominated news headlines and rocked Washington D.C. Drawing on in-depth interviews with senior law enforcement officials, Trump insiders, attorneys, authors and journalists, FRONTLINE offers an inside look into the investigation that President Donald Trump has continually deemed a 'witch hunt.'

An unvarnished look at the unlikely author whose autobiographical fiction helped shape American ideas of the frontier and self-reliance. A Midwestern farm woman who published her first novel at age 65, Laura Ingalls Wilder transformed her frontier childhood into the best-selling Little House series.

A comprehensive investigation of how Donald Trump defied expectations to win the presidency. Through revealing interviews with campaign insiders and key players, this documentary tells the inside story of how, despite historically high unfavorability ratings, Trump successfully tapped into the frustration and calls for change in order to win the election. The film examines how Trump rallied millions of supporters and defeated his adversaries -- and...