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Thwaites Melting Faster
Science

Thwaites Melting Faster

Oct 16 · 54 sec

Antarctica's Thwaites Glacier may be losing ice faster than scientists thought. A new study in the journal Nature Communications, from glaciologists at UC Irvine and NASA's Jet Propulsion Laboratory, rebuilt the glacier in a computer model. The key change: instead of a thin line where ice lifts off the seafloor, the model includes a grounding zone, two to five kilometers wide, where warm ocean water seeps underneath and melts the ice from below.

Penguin Poop Turns Snow Green
Science

Penguin Poop Turns Snow Green

Oct 15 · 57 sec

In Antarctica, some snow isn't white. It's red, or even bright green. The color comes from tiny algae living in the snow, and a new study says penguins help keep it green.