How scientists are tracking a massive iceberg in the making

How scientists are tracking a massive iceberg in the making

There’s a giant crack in an ice shelf of the Antarctic that’s been the source of much attention this winter, and is raising new concerns over the larger stability of the ice there.

Miles O’Brien has the story, the focus of this week’s Leading Edge.

MILES O’BRIEN: If glaciology is all that it is cracked up to be, this long, fast-growing rift in the Antarctic ice is a huge iceberg in the making, one of the largest ever seen, about the size of Delaware.

Welcome to the Larsen Sea Ice Shelf, teetering on the edge of breaking away from the glacier.