This quirky ad from New Zealand Air employs characters from J. R. R. Tolkien's Middle-earth trilogy. Enjoy!

"Wake Me Up When September Ends" by American punk band Green Day was written by frontman Billie Joe Armstrong. Although the central theme of loss is illustrated in the video by a relationship broken apart by war, Armstrong wrote it about the death of his father.

Walk the Moon is an American pop rock band assembled by singer Nicholas Petricca. "Shut up and Dance" was their first major hit.

Join Minoo and Rachel, who each have their own YouTube channel devoted to improving English pronunciation, as they come together to compare British and American English pronunciation.

Dana: Six funny ways you know you're in the U.S. that I noticed while back over there this past January.

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

Dido is a multi-platinum British singer and songwriter. The single “White Flag" is one of her best known songs.

"Shake It Off" is a song recorded by American singer-songwriter Taylor Swift for her fifth studio album. It is an uptempo dance-pop track that signified a departure from her earlier country-influenced pop.

UNICEF Goodwill Ambassador Katy Perry delivers a special weather report on the devastating effects of climate change for the world’s children.

If you don't feel like putting the time and effort into baking a whole cake, then try the fantastically fun and simple Two Minute Mug Cakes! All you need is a microwave, a mug, and a few ingredients, and you have an instant treat to enjoy on your own or to make for your best friends!

Steve Skaith sings "The Men Below," a song about a mining strike in England in the 1980s.

Why would a killer whale go after a great white shark? Enter Alisa Schulman-Janiger, a biologist who is very familiar with the different families of killer whales off the coast of California.

For the body and the mind: Try out some knee exercises and learn some new vocabulary related to posture and fitness. Enjoy!

From time to time, we give celebrities a chance to read some of the mean things people tweet about them. We extended that same offer to our Commander in Chief, who happily agreed. This is an all President Obama edition of #MeanTweets.

British singer Ellie Goulding visits radio station 104.3 MYfm in Los Angeles to deliver an exclusive live performance for a few lucky listeners.