![Huge hole discovered in Arctic's 'last ice'](https://cdn.mos.cms.futurecdn.net/hjnPw2FjLxvWKKG3QKNdwT-1200-80.gif)
The polynya, or gap in the ice, is a bad sign. A huge hole opened in the Arctic's oldest, thickest ice in May 2020, a new study revealed. Scientists …
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