Here's the trailer for an inspiring film about the efforts of ordinary people to make the world a more sustainable place. Experts talk about the necessity of taking action.

Meet Sheldon, he’s been driving pizzas longer than anyone at Bob’s Pizza. He seems to be a little too comfortable in his role of senior pizza driver!

This song from the album “A Night at the Opera” is considered one of the greatest rocks songs of all time. Music industry producers thought it was too long, at just under six minutes in length, and that no one would listen to it. Instead, it is the most streamed piece of music from the 20th century.

Natalie provides some tips for wasting less plastic and leaves us with a slogan to help us rethink our flushing habits. She involves the audience to bring the message home.

Prince said this about his song: "...Stay happy, stay focused, and you can beat the de-elevator [the "down" elevator as a metaphor for Satan]." It may be hard to understand the lyrics in this performance, but they're worth checking out. Find extended lyrics here

Why do some of the national parks in the United States resemble the European Alps? Geologist Dr. Robert Darga answers this question.

The birth cycle of kangaroos, affectionately called “roos,” is the subject of this video from National Geographic.

The Dropkick Murphys – an American Celtic band from Quincy, Massachusetts – level some heavy and hilarious criticism at Christmas and family members, but they are also having an awfully good time celebrating the holidays.

Canadian singer Shawn Mendes released "Nervous" on his third studio album. It's a song about meeting a new potential love interest.

Why are some rock formations and animals found on more than one continent? The explanation dates back to the Ice Age.

"One" and "ones" can replace nouns, but are not pronouns. They are prop words. Let's look at how they are used.

Taylor Swift teams up with British singer Ed Sheeran and American rapper Future for this song "End Game," the video for which was shot in Miami, Tokyo, and London.

Natalie Fee concludes her Ted Talk with a few suggestions for what we can do to reduce how much single-use plastic we are sending into the earth's waterways.

"China Girl" was originally co-written by David Bowie and Iggy Pop when they lived in Berlin. Although there are many interpretations of the song's meaning, the video particularly looks at and parodies Asian female stereotypes.

In Yellowstone Park, visitors can see many indigenous animals in their natural habitat and wonder at the park's natural hot springs.