BlogArena

General blog about anything and everything of everyday's life.

17. Aug 2019

December 16, 2016
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Earthquakes, ‘Marsquakes,’ and the possibility of life

A new study shows that rocks formed by the grinding together of other rocks during earthquakes are rich in trapped hydrogen — a finding that suggests similar seismic activity on Mars may produce enough hydrogen to support life.

September 28, 2014
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Huge waves measured for first time in Arctic Ocean

As the climate warms and sea ice retreats, the North is changing. An ice-covered expanse now has a season of increasingly open water that is predicted to extend across the whole Arctic Ocean before the middle of this century. Storms … Continue reading

May 1, 2014
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Anthropozän: Das Erdzeitalter der menschlichen Einflussnahme

Geograph Ronald Pöppl zu landschaftlichen Eingriffen und deren geomorphologischen Konsequenzen mit Beispielen aus Niederösterreich Die Auswirkungen menschlichen Handelns auf die geologischen, biologischen und atmosphärischen Prozesse haben insbesondere seit Beginn der Industrialisierung enorme Ausmaße angenommen. WissenschafterInnen haben deshalb das Zeitalter des … Continue reading

December 16, 2013
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Post-Sandy Survey Shows a Polluted but Generally Intact Barrier System off Long Island

AUSTIN, Texas — As coastal communities continue to rebuild in the wake of Hurricane Sandy, scientists at last week’s annual meeting of the American Geophysical Union offer some encouraging news: The storm did not seriously damage the offshore barrier system … Continue reading

October 30, 2013
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Bodenlose Verluste

Erosion vernichtet jährlich 24 Milliarden Tonnen Boden. / WWF warnt vor massiven Verlust fruchtbarer Agrarflächen. Fruchtbarer Boden ist die wortwörtliche Grundlage unserer Ernährung. Trotzdem gehen jährlich weltweit mehr als 24 Milliarden Tonnen durch Erosion verloren. Davor warnt die Umweltschutzorganisation WWF … Continue reading

May 10, 2013
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Coral reefs’ collapse isn’t inevitable, researchers say

Coral reefs are in decline, but their collapse can still be avoided with local and global action. That’s according to findings reported in the Cell Press journal Current Biology on May 9th based on an analysis that combines the latest … Continue reading

April 15, 2013
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Invasive crabs help Cape Cod marshes

Ecologists are wary of non-native species, but along the shores of Cape Cod where grass-eating crabs have been running amok and destroying the marsh, an invasion of a predatory green crabs has helped turn back the tide in favor of … Continue reading

February 12, 2013
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Mars Rock Takes Unusual Form

On Mars, as on Earth, sometimes things can take on an unusual appearance. A case in point is a shiny-looking rock seen in a recent image from NASA’s Curiosity Mars rover. Some casual observers might see a resemblance to a … Continue reading