Bob Dorough wrote and sang this song about the number "three," as a fun way for kids to learn their multiplication tables. It became the pilot episode for Multiplication Rock, the first season of the Schoolhouse Rock TV series.

Ed Sheeran performs his song live at the Brit Awards. During an interview for MTV, he revealed that the song was about his late grandmother saying, "She was in a hospital near my house where I was making the album so I saw her quite a lot while making the album and she passed away while I was in the studio. So that's my first reaction for anything that happens to me — good or bad — pick up a guitar."

Sigrid reviews the object pronouns: "me," "you," "him," "her," "it," "us," "you," and "them."

Stevie Salas and Christina Fon talk about striking the right balance between entertainment and a political message, and what they hope their film will achieve.

We leave the macaques in Gibraltar to travel to the Galapagos Islands to learn about marine and land iguanas.

The British-Georgian artist performs in Berlin with the Gori Women's Choir from her native Georgia.

"Party in the U.S.A." put American singer Miley Cyrus on the map when she released her album The Time of Our Lives. Originally coming from a country background, it also marked a departure towards a more mainstream pop sound.

Adam Sandler, Michelle Monaghan, Peter Dinklage, Kevin James, and Josh Gaad discuss their strangest video game experiences while promoting their new film 'Pixels'!

Stevie Salas and Christina Fon discuss what is next for the film Rumble: The Indians Who Rocked the World as it premieres around the world.

Neil Young joins R.E.M. to perform their song "Country Feedback." The title of the song describes its musical influences rather than its lyrical content, which is a series of chaotic, disconnected observations describing the state of mind of a protagonist contemplating the breakdown of a relationship.

Here is the unique music video for Alessia Cara's hit song about body image and positivity. The Canadian singer-songwriter emphasizes the importance of embracing what makes you unique and ignoring standards of beauty set by the media.

Sigrid talks about the difference between possessive nouns and other possessive words such as possessive determiners or articles like "my" and "your."

Welcome to the world's greatest collection of restored and functioning motorcycles. From the dirtiest barns to the most exclusive auctions and private collections, they'll go anywhere to track down a bike. From Paloma productions.

Annette shows us Salt Lake City's very modern and light-filled public library and takes us up to the roof for a surprise.

The segment focuses on the alien striped iguanas of the Galapagos Islands, albinism in a variety of animals, and the peppered moth.