News tagged with levels

Feeding caterpillars make leaves shine

When a plant is attacked by herbivores, this triggers a number of physiological responses in the plant. Calcium ions are important messengers for the processing of wound signals in plant cells. They regulate signal transduction ...

dateJun 04, 2015 in Biotechnology
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Sudden draining of glacial lakes explained

In 2008 scientists from Woods Hole Oceanographic Institution (WHOI) and the University of Washington documented for the first time how the icy bottoms of lakes atop the Greenland Ice Sheet can crack open suddenly—draining ...

dateJun 03, 2015 in Earth Sciences
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The ebb and flow of Greenland's glaciers

In northwestern Greenland, glaciers flow from the main ice sheet to the ocean in see-sawing seasonal patterns. The ice generally flows faster in the summer than in winter, and the ends of glaciers, jutting out into the ocean, ...

dateJun 01, 2015 in Earth Sciences
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