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The ocean is full of invisible life, including countless viruses. Although viruses are often linked to disease, they also play an important role in keeping the ocean healthy and balanced. These hidden helpers control tiny plants called microalgae, recycle nutrients, and shape the ocean’s food chain. The Arctic Ocean may look like a frozen desert, but it is actually one of the world’s virus hotspots. Why are there so many viruses there and what role do they play in this icy world? The Arctic is warming four times faster than other oceans. How will this rapid warming affect Arctic viruses? Scientists from the Refuge-Arctic expedition are exploring the surprising diversity of Arctic viruses and their role in a rapidly warming ocean.
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Jaouen et al. (2026) studied this question.
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