The Snowshoe Effect
The Svalbard rock ptarmigan, Earth’s northernmost land bird, is finely tuned for winter survival.
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Sea Change
The Arctic Ocean is beginning to look and act more like the Atlantic. It's a shift that threatens to upend an entire food web built on frigid waters.
Sea Change
The Arctic Ocean is beginning to look and act more like the Atlantic. It's a shift that threatens to upend an entire food web built on frigid waters.