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?

Columbus Day has always been a controversial holiday in the United States. In this video, Sigrid goes back in time to get some historical background, which sheds a new light on its significance.

Most Americans don't realize how Columbus Day came to be a national holiday, but it actually doesn't have that much to do with Christopher Columbus, and we might even recognize a connection to present-day events. To recall something Mark Twain once supposedly said, "History doesn't repeat itself, but it often rhymes."

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?

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

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.

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

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?

Kai Lenny and Peyo Lizarazu, two leading athletes in the sport of stand-up paddling, talk about the upcoming finals competition in the exotically beautiful Hawaiian Islands.

Follow the story of the 2010 World Tour’s Stand Up Paddling Championship in Honoli’i, Hawaii. Hear from various competitors as they speak of Kai Lenny’s accomplishment and from Kai himself, as he shares the elation at his first world-championship title.

Suzie Cooney, stand-up paddler and Maui’s private fitness specialist, takes you for the ride of your life on Maui’s famous Maliko Run.

An SUP instruction with Dave Kalama of Naish Surfing. Lesson 1 – How to find the right paddle length for you.

An SUP instruction with Dave Kalama of Naish Surfing. Lesson 2 – The proper way to pick up and carry your board.