NOVA

Why is this Antarctic Glacier “Bleeding?”

Clip: Season 47 | 10m Video has closed captioning.

Five stories high and emerging from the Taylor Glacier in the Dry Valleys of Antarctica, Blood Falls seeps into an ice-covered body of water called Lake Bonney. It’s one of the continent’s most enigmatic natural features and has fascinated scientists for decades. What makes it red? Does it always flow? And can anything actually survive near it?

Aired: 02/11/20

Rating: NR

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Problems Playing Video? | Closed Captioning

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