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The spring 2024 eyewear collections hinged on chunky acetate designs and technology-equipped frames, and featured glasses that can help people hear.

Dartmouth research shows permafrost shapes Arctic rivers, limiting size and depth. Proceedings of the National Academy of Sciences study reveals insights.

<p>A Dartmouth study provides the first evidence that the Arctic&rsquo;s frozen soil is the dominant force shaping Earth&rsquo;s northernmost rivers, confining them to smaller areas and shallower valleys than rivers to the south. But as climate change weakens Arctic permafrost, the researchers calculate that every 1 degree Celsius of global warming could release as much carbon as 35 million cars emit in a year as polar waterways expand and churn up the thawing soil.</p> <p>&nbsp;</p>

Providence RI (SPX) Feb 02, 2024 - New research from Dartmouth provides the first evidence that the Arctic's frozen soil is the dominant force shaping Earth's northernmost rivers. Permafrost, the thick layer of soil that stays frozen

Researchers have unveiled the pivotal role played by the Arctic's frozen soil, known as permafrost in shaping climate