Lauren shows us around Brick Lane in East London. Sights include a mosque, street art, and hopping nightclubs.

This power ballad version of a song written by Prince became Sinéad’s international breakthrough hit, topping music charts around the world. Her deep emotions are clear to see in this memorable video, as she explores feelings of love and loss.

The focus of this segment is on animals of the African savanna. We get to see giraffes and elephants, the largest of the land creatures, as well as cheetahs, the fastest.

Actress, author, and neuroscientist Mayim Bialik considers open relationships. While she sees the benefits, there are certainly things she doesn’t “get” about this kind of arrangement, as she sees male and female biology clearly dictating different ideals.

These three words are so similar, but so different! Check out this lesson, too.

Anne-Marie is a successful singer and songwriter, and she believes that all the hard work, discipline, and focus learned while becoming a black belt in karate has prepared her well for her busy life. She clearly loves her teacher Jo, and her sport, in which she has won gold medals at World Championship level.

In this beginner-level video, Luana teaches us about plants. She talks about the functions of the various parts of a plant, and offers tips on watering plants that grow indoors and outdoors.

How do you feel? This beginner video will help you find the right adjective to describe how you're feeling.

Galantis is an electro-pop duo from Sweden. They created “Bones” in collaboration with OneRepublic, a US band. Vocals are by OneRepublic's Ryan Tedder. The video was shot at a California amusement park and was heavily manipulated to make it look as if the visitors to the park are skeletons — fun-loving ones at that.

Mayim shares her doubts and misgivings about open relationships. It seems that for her, the commitment, predictability, and closeness of a monogamous relationship is all together more meaningful and enjoyable.

This is MC Hammer’s signature song and his biggest hit, launching him, along with his flamboyant dance moves and extra wide "Hammer pants", into stardom as the nineties began. First released on the album Please Hammer, Don’t Hurt ‘Em, this tune is certainly untouchable in terms of pure charisma and energy.

Rosie and Julian are in Hawaii discovering land formed from red-hot molten lava that erupted from the center of the earth. With the help of friendly volcano expert Ken and his friend Terri, they learn about a volcano that is taller than Mount Everest, and about Pele, the goddess of fire.

Rhinoceroses, or rhinos for short, are the largest land animals after elephants. Five species remain (two in Africa and three in Asia) and all are endangered as a consequence of the illicit trade of their horns. The importance of rivers is another focus of this segment.

This video focuses on the verb "to be," with useful phrases for when you first meet people or are asked for your personal information. The second part of the video has an amusing skit, which may not be that funny if you're the sick person in the hospital emergency room.

Boris Johnson is Britain's new prime minister, and now has 100 days to deliver on his do-or-die promise to take Britain out of the EU on October 31, 2019.