It's Okay to Be Smart

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

Season 5 Episode 7 | 5m 45s

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

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