PBS

Be Smart

Inside an ICE CAVE! - Nature's Most Beautiful Blue

Season 5 Episode 7 | 5m 45s

Loading Player...

Where do glaciers and icebergs get their beautiful blue color? This unique blue might be nature’s most brilliant, and the color arises in a very special way thanks to some surprising interactions between light and water molecules. Who knew physics could be so breathtaking?

Aired: 11/30/17 | Rating: NR

More Episodes

See all Episodes

Explore Digital Studios Shows

Sign into PBS

By creating an account, you acknowledge that PBS may share your information with our member stations and our respective service providers, and that you have read and understand the Privacy Policy and Terms of Use.

Confirm Your Local Station

To help you find your favorite shows and great local content, we've selected a PBS station in your area.

Please confirm that WETA is your preferred local station, or choose another station below.