Audio and video sources can be factual, and can be used as evidence, but they can both be doctored, too. When we don't have the facts, we might have hearsay, but can we trust it?

What's the difference between disinformation and misinformation? And what about misleading information? Find out in this video.

Sigrid describes traveling from her home in Italy to Tacoma, Washington in the United States to care for her sister with Alzheimer's disease. She stayed there for a whole month.

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

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!

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.

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!

For the final days of Sigrid's visit to the New York area, she leaves the rocky North Shore and goes south to a place she knows very well from her childhood—the beach! It's a nice place to visit even in the cooler weather.

In part one, we learned how to create an assignment. In this second part, we learn how to locate previous assignments and copy them for use with a new class.

We're back on Long Island, exploring the North Shore with an outing to a wildlife refuge on one of the necks, or small peninsulas that jut into the Long Island Sound, the body of water separating Long Island from Connecticut.

This last part about the D&R canal talks about the special bridges that were needed to cross the canal and who had to take care of them. And if you're wondering if the canal is still in use, Sigrid answers that question. There's a special tribute at the end of the video for which you might want this link.

What makes canals so special? In part 2, we explore locks. Locks are like elevators for barges and boats!