Ann Johnson Prum

An exploration of the diversity of moths and butterflies from caterpillars to larvae to chrysalis to winged flight. The documentary covers camouflage and other anti-predatory tactics along with uniqueness of different species and amazing feats and colors.

Twenty years ago, a young American hiker named Chris McCandless, the accomplished son of successful middle class parents, was found dead in an abandoned bus in the Alaskan wilderness and became the subject of the best-selling book and movie “Into the Wild.” Now, PBS retraces Chris McCandless’ steps to try to piece together why he severed all ties with his past, burnt or gave away all his money, changed his name and headed into the Denali Wilderness. McCandless' own letters, released for the first time, as well as new and surprising interviews, probe the mystery that still lies at the heart of a story that has become part of the American literary canon and compels so many to this day.

Twenty years ago, a young American hiker named Chris McCandless, the accomplished son of successful middle class parents, was found dead in an abandoned bus in the Alaskan wilderness and became the subject of the best-selling book and movie “Into the Wild.” Now, PBS retraces Chris McCandless’ steps to try to piece together why he severed all ties with his past, burnt or gave away all his money, changed his name and headed into the Denali Wilderness. McCandless' own letters, released for the first time, as well as new and surprising interviews, probe the mystery that still lies at the heart of a story that has become part of the American literary canon and compels so many to this day.

Twenty years ago, a young American hiker named Chris McCandless, the accomplished son of successful middle class parents, was found dead in an abandoned bus in the Alaskan wilderness and became the subject of the best-selling book and movie “Into the Wild.” Now, PBS retraces Chris McCandless’ steps to try to piece together why he severed all ties with his past, burnt or gave away all his money, changed his name and headed into the Denali Wilderness. McCandless' own letters, released for the first time, as well as new and surprising interviews, probe the mystery that still lies at the heart of a story that has become part of the American literary canon and compels so many to this day.

An accident occurs and we dial 911, an ambulance arrives and we are taken to a fully equipped Emergency Room staffed with specifically trained Emergency Room Doctors. Forty years ago, that was not the case. How did we get here? Our film explores the dramatic history of modern Emergency Medicine, told by its maverick founders, in their own words. The historic take on the specialty allows us to contrast where Emergency Medicine is today with where it began, not too long ago.

Ducks are true originals. There are more than 120 different species of ducks in all, a fantastical group of complex characters. Ducks have a talent for survival, and life stories filled with personality and charm. Each bird is more fun than the last, and will leave you wanting more.

Hummingbirds are the tiniest of birds, yet they are some of the toughest, most energetic creatures on the planet. Their unique flying abilities give them unmatched maneuverability, but at the cost of a supercharged metabolism that keeps them on the edge of survival. Hummingbirds spend most their lives in fast forward, but now high-speed video lets us enter their world.

By some measures, it’s a tiny country, just .03% of the Earth’s landmass. But when it comes to wildlife, Costa Rica is an ecological giant, bursting with a density of species and diverse habitats unparalleled anywhere else in the world.

By some measures, it’s a tiny country, just .03% of the Earth’s landmass. But when it comes to wildlife, Costa Rica is an ecological giant, bursting with a density of species and diverse habitats unparalleled anywhere else in the world.