A group of scientists is gathering today in the U.K. to discuss a slab of ice that's cracking in Antarctica. The crack could soon split off a frozen chunk the size of Delaware.
One glacier scientist, Heidi Sevestre, spent six weeks last year living on that giant slab of ice off the Antarctic Peninsula.
"It's like being on a different planet," says Sevestre, a glaciologist with the University of St Andrews in Scotland. She and her colleagues would get really excited whenever they saw a bird pass overhead because it was the only other sign of life around.
"Everything is gigantic, everything is white," she says. And everything seemed so frozen and still.
But it wasn't.
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