I'm a radio glaciologist.

That means that I use radar to study glaciers and ice sheets.

And like most glaciologists right now,

I'm working on the problem of estimating

how much the ice is going to con

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Can you guess what this is?

What if I told you there's a place where the creatures are made of glass?

Or that there are life-forms that are invisible to us,

but astronauts see them all the time?

These

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On our planet,

we have two polar regions:

the Arctic, whose name comes from

the Greek Arktikos, of the North,

and the Antarctic

from Antarktikos,

opposite of the North.

But there's an easier way to re

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[Music]

what if i told you

that the shape of the bedrock buried

under thousands of meters of ice was the

key to future sea level rise

what you see in this photo is a glacial

fjord it's a fjord that ha

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