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East Antarctica’s Totten Glacier has been revealed to be more unstable than previously anticipated. New research has found that portions of the glacier that were thought to be on stable ground are actually floating on seawater, prompting concerns over the ice sheet’s stability, and its potential to significantly contribute to the acceleration of sea level rise.

Totten Glacier is a flowing ice field that is more than three-quarters the size of Texas, and holds a massive volume of ice that could raise sea levels by 3.5 meters (11.5 feet) if it were to completely melt.
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A joint team of researchers with the Massachusetts Institute of Technology and private company Commonwealth Fusion Systems is predicting that they will have a viable nuclear fusion reactor generating electricity and attached to the electrical grid within the next fifteen years.

A recent breakthrough in superconductor technology that involves the use of steel tape coated with a compound called yttrium-barium-copper oxide (YBCO) allows reactor designers to shrink the size of the magnets that contain the super-hot plasma fuel within the reactor, making them more powerful, and thus lowering the amount of energy required to run the reactor.
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Last week, temperatures in the Arctic once again went above freezing, following a split in the Polar Vortex that allowed warm air currents to flow into the region, with some stations recording temperatures 25ºC (45ºF) above normal. This event accompanies an abrupt retreat of sea ice in the Bering Sea, having lost almost one-third of its coverage in just over a week.
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