Thanks to data obtained from Earth observation satellites, an international team of scientists has detected an unprecedented phenomenon for the first time: a reversal in the ocean circulation of the Southern Ocean. The study, led by the National Oceanographic Center (NOC, United Kingdom), was recently published in the journal PNAS. The Institut de Ciències del Mar (ICM-CSIC) played a fundamental role in the research by developing a set of pioneering satellite observations within the framework of...