News tagged with volcanic systems
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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Dawn spacecraft reveals secrets of giant asteroid Vesta
(Phys.org) -- Findings from NASA's Dawn spacecraft reveal new details about the giant asteroid Vesta, including its varied surface composition, sharp temperature changes and clues to its internal structure. ...
Space & Earth / Space Exploration
Apr 26, 2012 |
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In the Greek isles, a volcano has awakened
In 1650 B.C.E., a series of massive volcanic eruptions decimated the ancient seafaring Minoan civilization. Over the next 4 millennia, the largely subaquatic Santorini caldera had a series of smaller eruptions, with five ...
Space & Earth / Earth Sciences
Apr 23, 2012 |
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Solar storms join floods, terrorism as risks to UK
(AP) -- Britain has added volcanoes and solar storms to floods, flu and terrorism on a list of threats to national security.
Mar 18, 2012 |
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Building blocks of early Earth survived collision that created moon
Unexpected new findings by a University of Maryland team of geochemists show that some portions of the Earth's mantle (the rocky layer between Earth's metallic core and crust) formed when the planet was much smaller than it is now, an ...
Space & Earth / Earth Sciences
Feb 18, 2012 |
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Tree rings may underestimate climate response to volcanic eruptions: study
Some climate cooling caused by past volcanic eruptions may not be evident in tree-ring reconstructions of temperature change because large enough temperature drops lead to greatly shortened or even absent growing seasons, ...
Space & Earth / Earth Sciences
Feb 05, 2012 |
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Student unlocks secrets of mercury
More than one billion people around the world depend upon fish for protein in their diet. But the threat of mercury poisoning, especially in children, has raised concerns about the safety of eating fish.
Oct 13, 2011 |
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Possible trigger for volcanic 'super-eruptions' found
The "super-eruption" of a major volcanic system occurs about every 100,000 years and is considered one of the most catastrophic natural events on Earth, yet scientists have long been unsure about what triggers ...
Space & Earth / Earth Sciences
Oct 12, 2011 |
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Endeavour crater provides possible evidence of past water
(PhysOrg.com) -- The Mars rover Opportunity is a senior citizen, but still spry, and as it peers over the rim of the giant impact crater called Endeavour, it's embarking on what could be called a new mission, ...
Space & Earth / Space Exploration
Sep 04, 2011 |
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A billion-year-old piece of North America traced back to Antarctica
An international team of researchers has found the strongest evidence yet that parts of North America and Antarctica were connected 1.1 billion years ago, long before the supercontinent Pangaea formed.
Space & Earth / Earth Sciences
Aug 08, 2011 |
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NOAA study suggests aerosols might be inhibiting global warming
(PhysOrg.com) -- A new study led by the U.S, National Oceanic and Atmospheric Administration (NOAA) shows that tiny particles that make their way all the way up into the stratosphere may be offsetting a global ...
Space & Earth / Earth Sciences
Jul 22, 2011 |
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Researchers use lightning detection for early warning of volcanic ash
(PhysOrg.com) -- New Zealand scientists are playing a key role in developing a new system to give early warning of aviation-endangering volcanic eruptions by detecting the lightning their ash clouds trigger.
Space & Earth / Earth Sciences
Dec 16, 2010 |
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Researchers discover water on the moon is widespread, similar to Earth's
Researchers at the University of Tennessee, Knoxville, are once again turning what scientists thought they knew about the moon on its head.
Space & Earth / Space Exploration
Jul 21, 2010 |
5 / 5 (23) |
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Flow in Earth's mantle moves mountains: study
If tectonic plate collisions cause volcanic eruptions, as every fifth grader knows, why do some volcanoes erupt far from a plate boundary?
Space & Earth / Earth Sciences
Jun 02, 2010 |
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Rock of ages: Clues about Mars evolution revealed
Through the study of a popular Martian meteorite's age, a University of Houston professor and his team have made significant discoveries about the timeline of volcanic activity on Mars.
Space & Earth / Space Exploration
Apr 15, 2010 |
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