Learn more at http://curiositystream.com/smart Don't miss our next video! SUBSCRIBE! ▻▻ http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Step beneath this glacier...
========== [MUSIC] Thanks to CuriosityStream for supporting PBS Digital Studios. What color is ice? Snow is made of ice, and it’s white. The ice most of us get out of our freezer
is clear or cloudy. But glacier ice is different. It’s blue. But a blue you’ve never seen before. Until today. [MUSIC] Glacier ice may be the most beautiful blue
in all of nature. Today, we’re going inside a glacier, to
find out what makes this curious color. [MUSIC] I’d seen pictures of blue glacier ice before,
but they didn’t do any justice to actually being there. This is an ice cave. It’s a cavity formed underneath tons of
ice. Which means it’s the perfect place for us
to figure out why ice is blue. [MUSIC] Look at that incredible blue. The sky is blue because li...