Geysers represent a very popular tourist attraction in Yellowstone Park. How do they work and where do they come from? And what is sandstone? The video answers these questions.

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.

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

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

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.

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.

Ellen and Channing talk a bit about Magic Mike, a show in Vegas, and go on to talk about the animated movie Smallfoot, where he does the voice of Migo.

Channing Tatum makes one incredible entrance to Ellen's show and leaves the audience breathless. They talk about Channing's standing in for Jimmy Kimmel on his show.

Jack Black shares a "what else" moment with us, and, as usual, gets some criticism from George Clooney.

Natalie provides some facts and figures about how much garbage is getting flushed down the toilet in the UK, and goes on to tell us about a successful campaign she spearheaded, aimed at manufacturers of cotton swabs.

While it took Destin eight months to learn how to ride a backwards bike, his young son learned how in two weeks. The son's reward was a trip to Australia, where he got to meet Canadian astronaut Chris Hadfield.

The filmmakers made some significant changes to the actual timeline of the band's story. And with all the prosthetics and makeup to make Rami Malek look like Freddie Mercury, one thing stands out as missing entirely.

Natalie Fee talks about impact the clip (at the end of the previous segment) had on her life and how she started out on her journey. One stop on that journey was a music video.

Who knows when we'll discover whether we are alone in the universe or not? Whatever the answer, the quest for more knowledge will never cease, nor grow dull.

The new biopic Bohemian Rhapsody is getting a lot of attention, but exactly how accurate is it? Here is a quick look at some discrepancies between what is shown in the film and the real story of the band Queen.