New Scientist: Giant "whirlpools" in the ocean, up to 500 kilometres across, are driving the world's climate on a scale previously unimagined. We just don't know exactly how yet.
The bodies of swirling water, called mesoscale eddies, are 100 km to 500 km in diameter. They form when patches of water are destabilised by obstacles like islands. The eddies carry huge volumes of water and heat across the oceans, until they slowly stop spinning over days or months and reintegrate with the surrounding water.
The...