'Zombie glacier' comes back to life

Surprise! A Zombie Glacier

Fans of AMC's "The Walking Dead" can tell you just about everything you want to know about zombies -- but they probably don't know a ton about zombie glaciers.

Scientists say that so-called 'zombie glaciers' are telling them a lot about our global climate and how glaciers grow, die ... and sometimes, come back to life.

Zombie Glacier
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'Zombie glacier' comes back to life

The Falljokull Glacier in Skaftafell National Park, southeastern Iceland, had been in retreat, but now it shows new life, "Wake Up With Al" explains.

"Living parts of the glacier appear to have sloughed away the dead bits," Climate Central reports. The glacier that was once on its last legs in a semi-lifeless state has now come back to life, appearing to have cut off its 'dead base' and regrown. "The higher altitude portion of the glacier has now detached from its rotting base, the researchers discovered - and sprung back to life," John Upton writes.

More and more glaciers are dying as temperatures rise, Climate Central reports. They either retreat or ending up like a melted ice cube.

Falljokull, of course, is the unusual exception.

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