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Space & Earth science / Earth Sciences news 1234

The Tunguska Event--100 Years Later

July 01, 2008 | User rating: 4.6 / 5 after 20 vote(s) | User comments: 3

The year is 1908, and it's just after seven in the morning. A man is sitting on the front porch of a trading post at Vanavara in Siberia. Little does he know, in a few moments, he will be hurled from his chair ...


China quake rare and unexpected, new study says

June 30, 2008 | User rating: 4 / 5 after 15 vote(s) | No comments yet

A new analysis of the setting for last month's devastating earthquake in China by a team of geoscientists at MIT shows that the quake resulted from faults with little seismic activity, and that similar events ...


USGS to help Chile develop volcano early warning system

June 25, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

The U.S. Geological Survey is partnering with the Chilean government to develop a volcano early warning and emergency response system for the country after the historic eruption of Chaitén Volcano on May 2.


Greenland ice core analysis shows drastic climate change near end of last ice age

June 19, 2008 | User rating: 4.3 / 5 after 46 vote(s) | User comments: 15

Temperatures spiked 22 degrees F in just 50 years, researchers say
Information gleaned from a Greenland ice core by an international science team shows that two huge Northern Hemisphere temperature ...


Space radar to improve miners' safety

June 19, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet

Advanced ground penetration radar, originally developed to investigate the soil structure on the Moon and other planets on ESA planetary missions, is now being used in Canadian mines to spot hidden cracks and weaknesses in ...


Active submarine volcanoes found near Fiji

June 19, 2008 | User rating: 4.7 / 5 after 9 vote(s) | No comments yet

Several huge active submarine volcanoes, spreading ridges and rift zones have been discovered northeast of Fiji by a team of Australian and American scientists aboard the Marine National Facility Research ...


Researchers explain nitrogen paradox in forests

June 18, 2008 | User rating: 4.3 / 5 after 9 vote(s) | No comments yet

Nitrogen is essential to all life on Earth, and the processes by which it cycles through the environment may determine how ecosystems respond to global warming. But certain aspects of the nitrogen cycle in temperate and tropical ...


Worm-like marine animal providing

June 18, 2008 | User rating: 4.5 / 5 after 6 vote(s) | No comments yet

The marine invertebrate amphioxus offers baseline information for genetic roots of vertebrate innovation such as the adaptive immune system
Research on the genome of a marine creature led by scientists ...


California's wildflowers are disappearing, new book by UCR ecologist cautions

June 18, 2008 | User rating: 4.8 / 5 after 5 vote(s) | No comments yet

Richard Minnich says policies and measures are needed to preserve state's flower heritage
At least since the late 18th century, invasive plant species introduced by humans have devastated California's botanical ...


UC Davis researcher leads climate-change discovery

June 18, 2008 | User rating: 3.3 / 5 after 20 vote(s) | User comments: 9

A team of researchers led by a first-year UC Davis faculty member has resolved a longstanding paradox in the plant world, which should lead to far more accurate predictions of global climate change.


Space science simulation at UNH now better, faster, cheaper

June 18, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet

Cashing in on the underlying technology that seamlessly renders graphics for state-of-the-art video games, space scientists at the University of New Hampshire have bundled together 40 PlayStation3 consoles to affordably simulate ...


Toxic to aliens -- but key to health of planet

June 18, 2008 | User rating: 4.2 / 5 after 9 vote(s) | No comments yet

Scientists at the University of Leicester are using an ingredient found in common shampoos to investigate how the oxygen content of the oceans has changed over geologically recent time.


Researchers test sediment-scrubbing technology in NH river

June 17, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

In a mud flat at the edge of the Cocheco River, just outside downtown Dover, scientists from the University of New Hampshire's Contaminated Sediments Center are testing an innovative way to treat polluted sediment in coastal ...


Pyrite deposits across the state may be tied to an Eocene meteor

June 16, 2008 | User rating: 4.6 / 5 after 39 vote(s) | User comments: 2

In 2003, during construction of Interstate 99 in Centre County, Pennsylvania, state road builders hit the mother lode. That's a bad thing.


Ebb and flow of the sea drives world's big extinction events

June 15, 2008 | User rating: 4.3 / 5 after 51 vote(s) | User comments: 3

If you are curious about Earth's periodic mass extinction events such as the sudden demise of the dinosaurs 65 million years ago, you might consider crashing asteroids and sky-darkening super volcanoes as culprits.


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