Sigrid explains how a spelling bee normally proceeds. There are fixed rules and there are options.

In recent years, we've seen an increase in the intensity of tropical storms and hurricanes due to global warming. But how and why do hurricanes form? Sigrid provides a basic explanation of this phenomenon.

We continue to explore the phenomenon of hurricanes. Why are they so dangerous? And do they serve any purpose?

In this video lesson, Luana explains the names given in English to our nearest and dearest relations: the brothers, sisters, cousins, parents, uncles and aunts that make up our family tree.

We tend to associate pizza with Italian culture, but it actually has a long history in the United States. However, its reputation as a cheap meal option may be changing.

See if you can figure out what Sigrid is describing. Don't worry! She will give you a little time to think and then give you the answer (with some extra information, too).

Abi carefully packs her picnic basket with food and utensils, and is off to the park to set everything up for today’s elegant picnic!

Central Park lies between the East and West Side of New York City, and today John is there by the frosty waters of the Jackie Kennedy Onassis Reservoir. It’s a popular place for New Yorkers to go jogging, and was once featured in a movie starring Dustin Hoffman.

The European Union has been in the news a lot lately, so let's take a look at what it's all about. What is a "union" and what's the purpose of this one?

Try to guess what word Sigrid is describing using the clues she gives you. Remember: You can always click "pause" if you need more time!

Let's have a look at which countries are members of the European Union and where they are on the map.

Piggeldy and his big brother Frederick are out and about again, discovering and learning about the world. This time they set out to find where the sky begins.

John visits the Alice in Wonderland sculpture in Manhattan's Central Park, where he ponders the meaning of Lewis Carroll’s curious and imaginative literary work.

The senses of sight, hearing, touch, taste, and smell are essential in experiencing the world around us. Let's consider them one by one and learn how to use them in conversation. We start with "sight" and "hearing."

Every day, we get information from lots of different sources. But how do we know what is true and what is "fake news?" In this 3-part series we explore different kinds of information and misinformation.