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Greenland glaciers:  What lies beneath

Greenland glaciers: What lies beneath

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 3.6 / 5 (5) | comments 1

Scientists who study the melting of Greenland's glaciers are discovering that water flowing beneath the ice plays a much more complex role than they previously imagined.


Electromagnetic fields as cutting tools

Technology / Engineering

created Dec 01, 2009 | popularity 4.7 / 5 (21) | comments 13

(PhysOrg.com) -- The bodywork on motor vehicles must be sufficiently stable, but processing the high-strength steels involved -- for example punching holes in them -- can prove something of a challenge. A new steel-cutting ...


Sea level is rising along US Atlantic coast, say Penn environmental scientists

Sea level is rising along US Atlantic coast, say environmental scientists

Space & Earth / Earth Sciences

created Dec 10, 2009 | popularity 3.8 / 5 (13) | comments 2

An international team of environmental scientists led by the University of Pennsylvania has shown that sea-level rise along the Atlantic Coast of the United States was 2 millimeters faster in the 20th century ...


From Greenhouse to Icehouse

From Greenhouse to Icehouse

Space & Earth / Earth Sciences

created Nov 24, 2009 | popularity 4.8 / 5 (12) | comments 9

A new study that reconstructed ocean temperatures from millions of years ago could provide new insight into how the Earth responds to climate change.


Previously Unknown Volcanic Eruption Helped Trigger Cold Decade

Previously Unknown Volcanic Eruption Helped Trigger Cold Decade

Space & Earth / Earth Sciences

created Oct 29, 2009 | popularity 4.3 / 5 (27) | comments 9

(PhysOrg.com) -- A team of chemists from the U.S. and France has found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809.


Sea Level Is Rising Along U.S. Atlantic Coast, According to New Data Analysis

Space & Earth / Earth Sciences

created Dec 03, 2009 | popularity 3.7 / 5 (13) | comments 0

(PhysOrg.com) -- An international team of environmental scientists led by the University of Pennsylvania has shown that sea-level rise along the Atlantic Coast of the United States was 2 millimeters faster in the 20th century ...


Long debate ended over cause, demise of ice ages -- may also help predict future

Space & Earth / Earth Sciences

created Aug 06, 2009 | popularity 4.4 / 5 (23) | comments 63

Researchers have largely put to rest a long debate on the underlying mechanism that has caused periodic ice ages on Earth for the past 2.5 million years - they are ultimately linked to slight shifts in solar radiation caused ...


Antarctic glacier

West Antarctic ice sheet may not be losing ice as fast as once thought

Space & Earth / Earth Sciences

created Oct 19, 2009 | popularity 4.1 / 5 (10) | comments 4

New ground measurements made by the West Antarctic GPS Network (WAGN) project, composed of researchers from The University of Texas at Austin, The Ohio State University, and The University of Memphis, suggest ...


Greenland ice cap melting faster than ever

Greenland ice cap melting faster than ever

Space & Earth / Earth Sciences

created Nov 12, 2009 | popularity 3.6 / 5 (32) | comments 25

Satellite observations and a state-of-the art regional atmospheric model have independently confirmed that the Greenland ice sheet is loosing mass at an accelerating rate, reports a new study in Science.


Ice sheets can retreat 'in a geologic instant,' study of prehistoric glacier shows

Ice Sheets Can Retreat 'In a Geologic Instant,' Study of Prehistoric Glacier Shows

Space & Earth / Earth Sciences

created Jun 21, 2009 | popularity 4.5 / 5 (61) | comments 20

(PhysOrg.com) -- Modern glaciers, such as those making up the Greenland and Antarctic ice sheets, are capable of undergoing periods of rapid shrinkage or retreat, according to new findings by paleoclimatologists ...


Sunset is seen over the sea

Catastrophic sea levels 'distinct possibility' this century: study

Space & Earth / Earth Sciences

created Apr 15, 2009 | popularity 4.4 / 5 (90) | comments 25

A breakthrough study of fluctuations in sea levels the last time Earth was between ice ages, as it is now, shows that oceans rose some three meters in only decades due to collapsing ice sheets.


Graphene A

New wonder material, one-atom thick, has scientists abuzz

Nanotechnology / Nanomaterials

created Jul 13, 2009 | popularity 4.1 / 5 (35) | comments 11

Imagine a carbon sheet that's only one atom thick but is stronger than diamond and conducts electricity 100 times faster than the silicon in computer chips. That's graphene, the latest wonder material coming out ...


Ice Progression

West Antarctic ice comes and goes, rapidly

Space & Earth / Earth Sciences

created Mar 18, 2009 | popularity 4.3 / 5 (16) | comments 8

Researchers today worry about the collapse of West Antarctic ice shelves and loss of the West Antarctic ice sheet, but little is known about the past movements of this ice. Now climatologists from Penn State ...


Team confirms Alps-like mountain range under East Antarctic Ice Sheet

Team confirms Alps-like mountain range under East Antarctic Ice Sheet

Space & Earth / Earth Sciences

created Feb 24, 2009 | popularity 4.6 / 5 (8) | comments 2

(PhysOrg.com) -- Flying twin-engine light aircraft the equivalent of several trips around the globe and establishing a network of seismic instruments across an area the size of Texas, a U.S.-led, international ...


New data show much of Antarctica is warming more than previously thought

New data show much of Antarctica is warming more than previously thought

Space & Earth / Environment

created Jan 21, 2009 | popularity 3 / 5 (36) | comments 31

(PhysOrg.com) -- Scientists studying climate change have long believed that while most of the rest of the globe has been getting steadily warmer, a large part of Antarctica - the East Antarctic Ice Sheet - ...