The more you think about it, the more complex time travel seems! This video explains a key paradox that is one of the main reasons for this.

The whole cast got to break out of their routine and enjoy roles in the many fantasy sequences that were a feature of the show. Often based on iconic stage and screen performances, some actors were able to live out their personal acting fantasies and play parts they had always dreamed of.

There's more than one way to talk about the weather. In part 1 of this lesson, we talk about it in the present. We use nouns, verbs, and adjectives to describe the weather.

There is a lot of talk about how 3D printing could revolutionize the way that we make stuff. But what is 3D printing and how does 3D printing allow us to make almost anything from nothing? Professor Tim Minshall, Head of the Institute for Manufacturing at the University of Cambridge, explains it in this video, which is targeted at school-age students.

American singer songwriter, rapper, producer and comedian Oliver Tree goes through his fridge and introduces us to some of the unhealthiest, most sugary food available, all forming part of his surprising new weight loss diet.

Amidst so much bad news, a couple of good things also happened in the United States: COVID-19 vaccine distribution is proceeding and the election results are finally being recognized.

The basement film set and its contents have taken a battering over the years of filming. Now that the show is coming to an end, the actors are dividing up the props, keen to take a memento from the studio that has become a home away from home.

On Valentine's Day, Amy and Sheldon host the first ever live-streamed edition of their show "Fun with Flags." However, they aren't prepared for the fallout when emotional viewers call the show to ask for relationship advice and air their innermost feelings.

Ross wants to be happier in the coming year, and makes a resolution to do one new thing every day. Joey wants to learn guitar, while Phoebe and Chandler make slightly more challenging resolutions...

Mike Myers concludes his comedic yet personal and moving tribute to actor Sean Connery on the night he receives a lifetime achievement award from the American Film Institute.

Christmas falls during Australia's summer, when it's quite hot in certain areas of the country. Therefore, it makes sense of Santa Claus to take a jet ski rather than a sleigh, especially in this event to raise money for underprivileged children.

Singers Kelly Clarkson, Trisha Yearwood, and Rebe McEntire give a dazzling performance of a classic song that takes us to the very heart of the Christmas story. The lyrics describe how Jesus was born one night in Bethlehem. The heavenly angels sang, and shepherds were first to hear the good news and witness the glorious sight.

At just sixteen years old, Miley Cyrus gave this energetic performance of the classic holiday song "Rockin' Around the Christmas Tree" at Rockefeller Center in New York City.

Here is American superstar Miley Cyrus with a live performance of her hit song “Slide Away.” Many suppose that the lyrics refer to the dissolution of her marriage to actor Liam Hemsworth, as she finds a mature outlook on life and a change from her party girl image.

National Geographic filmed South African penguins in their natural habitat. One penguin turns to crime in order to furnish the nest and keep his mate happy.