What's the difference between "clean" and "dirty" energy? Sigrid reports on different kinds of energy and discusses trends in heating our homes.

Isaac hikes to visit a waterfall in Canada’s Fundy National Park. The wooded and rocky park is at the end of the Appalachian mountain range and has a shoreline on the Bay of Fundy, which has some of the most dramatic tides in the world.

Abi reads extracts from a version of Clement Clarke Moore’s famous Christmas poem, popularly known by its first line “’Twas the Night Before Christmas,” about a father who witnesses the visit of Santa Claus on one magical Christmas Eve.

Paul goes into detail about what materials he used to construct the electric cargo bike. Some features turned out to be essential, such as the kick-stand.

Isaac loves to travel and see different countries, and he’s found that Yabla is the best way to learn the languages he needs to speak!

Building something that works can bring a lot of satisfaction. In this case, it's building bikes. Paul likes figuring things out, and seeing what works and what doesn't. Together with a friend, he embarks on a challenging project: building an electric cargo bike!

Isaac travels by van through North America with his wife and his dog. Today he stops off in Quebec, Canada to tell us a little about the culture, cuisine, and most famous landmarks of this old city.

The right cut made at the right moment is crucial to the smoothness and flow of a film. Understanding the concept of “eye-trace” helps editors make films that are far more engrossing for the viewer.

As the harvest ends and the Christmas season approaches, families across the United States come together to share a lavish meal in the annual celebration known as Thanksgiving. In this video, we learn some of the crucial vocabulary used at this special time of year.

It's been a stormy and fiery year in the United States, both weather-wise and in the government.

Sigrid has more fun with limericks, attempting to sing one, and dedicating another limerick to her boss. She offers a final limerick from Edward Lear, the king of limericks. See Part 1 for instructions on how limericks work and how to write one.

Finally home! Sigrid talks about her trip home and how it feels to be back after a month away.

This film editing masterclass looks at both theory and technique. Deciding on the order and duration of each shot is a process that profoundly influences a viewer’s experience.

Annette is in a park in beautiful Oxford, England today, and she wants to introduce us to the sport, or hobby, of slacklining. There’s a lot of skill involved, but Annette has mastered it, and she shows us how it’s done!