News tagged with geological phenomenon
Oceanic crust formation is dynamic after all
Imagine the Earth's crust as the planet's skin: Some areas are old and wrinkled while others have a fresher, more youthful sheen, as if they had been regularly lathered with lotion.
Space & Earth / Earth Sciences
Nov 25, 2009 |
4.8 / 5 (9) |
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Search results for geological phenomenon
Researchers use stalagmites to study past climate change
There is an old trick for remembering the difference between stalactites and stalagmites in a cave: Stalactites hold tight to the ceiling while stalagmites might one day grow to reach the ceiling. Now, it ...
Space & Earth / Earth Sciences
May 03, 2012 |
5 / 5 (2) |
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Water treatments alone not enough to combat fluorosis in Ethiopia
Increased intake of dietary calcium may be key to addressing widespread dental health problems faced by millions of rural residents in Ethiopia's remote, poverty-stricken Main Rift Valley, according to a new Duke University-led ...
Apr 26, 2012 |
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Earth's sister in the crosshairs
Earth’s sister is out there, somewhere, and scientists searching for planets that may support life believe they are closing in on finding just that.
Apr 20, 2012 |
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Study finds that the Dead Sea almost dried up over 100,000 years ago
Rapidly dropping water levels of the Dead Sea, the lowest point on the earth's surface heralded for its medicinal properties, has been a source of ecological concern for years. Now a drilling project led by ...
Space & Earth / Earth Sciences
Apr 10, 2012 |
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The pit-chains of Mars - a possible place for life?
(Phys.org) -- The latest images released from ESA’s Mars Express reveal a series of ‘pit-chains’ on the flanks of one of the largest volcanoes in the Solar System. Depending on their origin, ...
Space & Earth / Space Exploration
Apr 06, 2012 |
4.9 / 5 (8) |
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Fossil raindrop impressions imply greenhouse gases loaded early Earth's atmosphere
In ancient Earth history, the sun burned as much as 30 percent dimmer than it does now. Theoretically that should have encased the planet in ice, but there is geologic evidence for rivers and ocean sediments ...
Space & Earth / Earth Sciences
Mar 28, 2012 |
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One year after the Japan tsunami, USC engineers help California's ports prepare
On the one-year anniversary of the devastating Japanese tsunami, engineers from the USC Viterbi School of Engineering Tsunami Research Center are working with the State of California to better understand the damaging currents ...
Space & Earth / Earth Sciences
Mar 09, 2012 |
3.3 / 5 (3) |
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Toppling Raman shift in supercritical carbon dioxide
(PhysOrg.com) -- Just as a wine glass vibrates and sometimes breaks when a diva sings the right note, carbon dioxide vibrates when light or heat serenades it. When it does, carbon dioxide exhibits a vibrational ...
Feb 29, 2012 |
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Research links uplifting continents to crashes in biodiversity on Earth
(PhysOrg.com) -- A mysterious cycle of booms and busts in marine biodiversity over the past 500 million years could be tied to a periodic uplifting of the world’s continents, scientists report in the latest issue of ...
Space & Earth / Earth Sciences
Feb 22, 2012 |
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Aftershocks of Japan disaster being felt in US earthquake planning
The repercussions of last year’s subduction zone earthquake and tsunami in Japan are now being felt in the Pacific Northwest, as experts and disaster managers better understand the enormous risks facing ...
Space & Earth / Earth Sciences
Feb 21, 2012 |
5 / 5 (1) |
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List of search results for geological phenomenon
