Justin Bieber headlined the 2015 Jingle Bell Ball in London, finishing his set with the song "Sorry."

Rosetta revisits the exciting scientific discoveries she has made during her time at Comet 67P/Churyumov-Gerasimenko, including the successful search to find Philae. Now it's time to start preparing to descend to the comet for the end of her extraordinary mission.

Jimmy Carter interviews Brad Pitt and Edward Norton about their very unusual film “Fight Club”.

Jessica tells us in her own humorous way the names of various parts of the human body using her own body as an example. It’s a clip that both informs and amuses. Enjoy!

Browse through the Evolution Store in the Soho district of New York City and enjoy countless unique articles from the natural world they have for sale!

Chris tells us about his job and why he chose to live and work in London.

Capt. Charles Moore of the Algalita Marine Research Foundation was the first to discover the Great Pacific Garbage Patch -- an endless floating mass of plastic trash and debris. In this first of two segments, he's drawing attention to the growing, choking problem of plastic debris in our seas.

Nathalie and Jim get up close and personal with tiger and lemon sharks, trying to get the best footage while taking care not to disturb or excite the dangerous animals.

Our friends at Numberphile provide a detailed look at how the game Connect Four is won or lost.

British actress Alice Eve discusses her experiences living in the United States and England both as a child and as an adult, demonstrating both accents for Conan.

Sigrid introduces her series on English pronunciation and tells us why there isn't always just one "right" way to pronounce words.

Jessica is planning a week-long vacation and wants to rent a cabin. Let’s see if the travel agent has an offer that meets her needs.

WWF: Long-distance swimming puts polar bears at risk of drowning due to fatigue or rough seas. Cubs are at even greater risk because their smaller body size and limited body fat leaves them more prone to hypothermia, and they don’t have the energy reserves of an adult bear.

Lauren, with the help of Matthew as a model, goes through both the singular and plural forms of body parts, along with how to use them in sentences.

This original rap music video celebrates the "Java Life".
Dedicated to the developer homies everywhere who code hard day and night.
Think Java programmers meet street Hip Hop.