Although he has been missing for several years and the entire town thinks her father has abandoned her family, Meg steadfastly believes the best and protects her younger brother, Charles Wallace, from the brunt of the rumors and taunting. It is he, however, who convinces her to join him, the school sports star Calvin, and three unusual women on an interplanetary voyage to rescue their father from a vast evil.

When Captain Colter Stevens wakes up in the body of an unknown man, he discovers he's part of an experimental government program called the 'Source Code' that enables him to cross over into another man's identity in the last eight minutes of his life. Armed with the task of identifying the bomber of a Chicago commuter train, Colter must relive the incident over and over again, gathering clues until he can solve the mystery and prevent an even deadlier...

Inventing a revolutionary machine that propels him 800,000 years into the future, a visionary scientist discovers that humans have evolved into two groups: the hunters and the hunted.

Time travel has been the subject of many great science fiction novels and movies, but this video segment considers whether or not it is a real possibility. The segment takes a look at what the experts, like Craig Savage from the Department of Physics at the ANU and Stephen Hawkins, have said on the issue. Do the laws of physics actually permit time travel? And more fundamentally, what is time?

In this episode, we explore how your brain can measure something that's completely invisible: time! Through a series of games and experiments, you'll learn the secret of why time flies when you're having fun, why it seems to slow down when you're in danger, and best of all, we'll show you how to keep the years from slipping by as you get older. Pay attention: You're in for the time of your life.

In this episode of Dara O'Briain's Science Club, the team explores our perceptions of time. From mental time travel to high-speed photography, time deeply affects the way we see the world around us. Entertaining and thought-provoking, Dara O'Briain's Science Club combines lively studio discussions featuring some of the world's most eminent scientists, with exciting experiments, studio demonstrations and film reports of cutting-edge science stories....

Silence or "rests" in music can be highly effective! Maestro Maull shares some examples of rests in pieces by J.S. Bach and Ludwig van Beethoven.

Who are we? Where do we come from? These are two of the biggest questions facing scientists today. This collection of short programs gives a broad understanding of the multi-branched theory of human evolution, the major geological eras in earth's history and the various scientific methods used for fossil dating. A great resource for viewers seeking a scientific understanding of how Earth and its life forms evolved.

Screwball comedy about two high school students who face a difficult history exam. With the help of a time-traveling messenger they round up some historical heavyweights for their class project!

After defeating the Legion of Doom, the heroes face a new threat created by their actions. By revisiting a moment in time that they had already participated in, they've essentially fractured the timeline and created anachronisms all across time! In Season Three, the Legends must find a way to return all the anachronisms to their original timelines before the time stream falls apart.