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Areas to watch in 2015

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Science  19 Dec 2014:
Vol. 346, Issue 6216, pp. 1450
DOI: 10.1126/science.346.6216.1450-a

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Summary

Every year, the Breakthrough staff picks scientific developments likely to make news in the coming months. Here are four areas to keep an eye on in 2015. Arctic sea ice: As it disappears, the open ocean absorbs more energy, amplifying warming. Researchers are scrambling to figure out how that feedback affects weather thousands of miles away. Solar system encounters: NASA's Dawn spacecraft will arrive at the dwarf planet Ceres in the asteroid belt, and NASA's New Horizons mission will reach Pluto. LHC restart: The Large Hadron Collider at the CERN lab in Geneva will power up after 2 years of repairs. Now, with almost twice as much energy as before, the machine that bagged the Higgs boson will be hunting for new discoveries. Combined immunotherapy: Cancer treatments that work by boosting the immune system to fight tumors are a hot area of clinical research. Now, scientists are focusing on mixing and matching them—either with other novel immune therapies or with targeted drugs, radiation, or chemotherapy.