This video clearly presents some fundamental differences between American English, British English, and Australian English in terms of spelling, pronunciation, and vocabulary.

Pierre talks about the tradition of afternoon tea, which is practically a ritual in England. Today, he's taking a relaxing break with Earl Grey tea and digestive biscuits.

The philosopher Friedrich Nietzsche questioned the ability of science to explain and give meaning to our world, daring us to think critically not only about religion, but science, and knowledge itself. Learn all about his ideas in this fun video inspired by vintage video games.

When a massive swell hit Pe'ahi on the north shore of Maui, Kai Lenny relied on all his prior experience in water sports to take on the challenge: the biggest waves he had ever surfed.

Wing surfing looks similar to windsurfing, and shares techniques with paddleboarding and even skateboarding, but there are fine details and unique skills to master. Robby tells us all about these in this second part of his practical guide to getting going on the water!

What expressions are related to the word "line"? We use "line" when talking about the laundry, behavior, or even time.

With the help of his daughter, Christina, Robby explains everything you need to know, as they demonstrate the right way to take your first steps in wing surfing out on the water.

A square is a shape, of course, but there are plenty of ways we use squares to describe things figuratively. Let's look at some examples of when and how we do this.

We can use dots and circles to describe things figuratively. Sigrid gives us examples with expressions like "connect the dots" and "inner circle."

Windsurfing legend Robby Naish continues his introduction to the exciting new sport of wing surfing. Learn to carry and handle the equipment once set up, and get a feel for power and dynamics of the wing before getting onto the water with the hydrofoil board.

In this video, Sigrid talks about the different types of two-dimensional shapes and some basic geometry.

In this video, Robby Naish will walk you through the first steps of preparing to Wing Surf, including how to pump up the Wing Surfer properly.

There are various things we need to do to keep the pool clean and the water circulating. Sigrid describes some of them. It's quite a lot of work, but she thinks that having a pool is still worth it.

Sigrid shares what she has learned about having a swimming pool. As it turns out, having a pool is a lot of fun, but also quite a lot of work.

George Clooney narrates a commercial for Nespresso that aims to showcase the benefits of a good relationship with their coffee bean growers. He tells the story of Humberto and his family, who are farmers on a remote Colombian hillside.