How William Shatner Changed The World

Trees talk, know family ties and care for their young? Is this too fantastic to be true? German forester Peter Wohlleben and scientist Suzanne Simard have been observing and investigating the communication between trees over decades. And their findings are most astounding.

An unprecedented examination of the impact the Star Trek experience has had on the franchise's most celebrated participants: William Shatner and Leonard Nimoy. These two stars have arguably embodied the brightest icons in the sci-fi universe; Shatner as passionate Captain James T. Kirk, and Nimoy as logical-minded, half Vulcan Mr. Spock.

The Captains' Summit documents the first time in Star Trek history that four stars who at some point have played Captains in Star Trek (William Shatner, Patrick Stewart, Leonard Nimoy, Jonathan Frakes) have been brought together for a 70-minute rare and unprecedented round table event. Whoopi Goldberg, star of Star Trek: The Next Generation, hosts the event.

Documentary footage from various sources, set to music. Showing the whole of human life, from birth to death and beyond.

Denise Crosby takes another look at the huge fans of "Star Trek" and how the series from around the world has affected and shaped their lives.

Aspiring teenage astronauts reveal that a journey to Mars is closer than you think.

The use of embryonic stem cells has ignited fierce debate across the spiritual and political spectrum. But what if we could create manmade stem cells - or find super cells in adults that could forever replace embryonic cells and remove the controversy? Today, we are on the brink of a new era - an age where we may be able to cure our bodies of any illness. Stephen HAWKING has spent his life exploring the mysteries of the cosmos, now there is another universe that fascinates him - the one hidden inside our bodies - our own personal galaxies of cells.

The Dream Is Alive takes you into space alongside the astronauts on the space shuttle. Share with them the delights of zero gravity while working, eating and sleeping in orbit around the Earth. Float as never before over the towering Andes, the boot of Italy, Egypt and the Nile. Witness firsthand a tension-filled satellite capture and repair and the historic first spacewalk by an American woman.

The captivating tales of the people and events behind one of humanity's greatest achievements in exploration: NASA's Voyager mission.

In 1858 Charles Darwin struggles to publish one of the most controversial scientific theories ever conceived, while he and his wife Emma confront family tragedy.

Bill Nye and Ken Ham debate whether creation is a viable model of origins in today's modern scientific era.