Massive ice shelf break forces researchers to evacuate
Clip: 02/08/2017 | 3m 28s
In our NewsHour Shares moment of the day, British researchers have monitored changes in the world’s atmosphere from a remote lab in Antarctica for more than 60 years. Now, for the first time the state-of-the-art facility will close -- at least temporarily -- after a nearly 30-mile long crack opened up on the ice shelf.
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