News tagged with volcanic
Volcanic super-eruptions may have surprisingly short fuses
Enormous volcanic eruptions with potential to end civilizations may have surprisingly short fuses, researchers have discovered.
Space & Earth / Earth Sciences
May 30, 2012 |
4.9 / 5 (9) |
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Organic carbon from Mars, but not biological
(Phys.org) -- Molecules containing large chains of carbon and hydrogen--the building blocks of all life on Earth--have been the targets of missions to Mars from Viking to the present day. While these molecules ...
Space & Earth / Space Exploration
May 24, 2012 |
4.4 / 5 (5) |
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Autopsy of a eruption: Linking crystal growth to volcano seismicity
A forensic approach that links changes deep below a volcano to signals at the surface is described by scientists from the University of Bristol in a paper published today in Science. The research could ultima ...
Space & Earth / Earth Sciences
May 24, 2012 |
3.5 / 5 (2) |
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Study reveals trade patterns for crucial substance played key role in Maya collapse
Shifts in exchange patterns provide a new perspective on the fall of inland Maya centers in Mesoamerica approximately 1,000 years ago. This major historical process, sometimes referred to as the "Maya collapse" has puzzled ...
Other Sciences / Archaeology & Fossils
May 23, 2012 |
3.9 / 5 (8) |
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Chocolate and diamonds: Why volcanoes could be a girl's best friend
Scientists from the University of Southampton have discovered a previously unrecognised volcanic process, similar to one that is used in chocolate manufacturing, which gives important new insights into the ...
Space & Earth / Earth Sciences
May 16, 2012 |
4.4 / 5 (7) |
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Researchers find new form of Mars lava flow
High-resolution photos of lava flows on Mars reveal coiling spiral patterns that resemble snail or nautilus shells. Such patterns have been found in a few locations on Earth, but never before on Mars. The ...
Space & Earth / Space Exploration
Apr 26, 2012 |
5 / 5 (4) |
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Study characterizes 300-million-year-old tropical forest preserved in volcano ash
(PhysOrg.com) -- Pompeii-like, a 300-million-year-old tropical forest was preserved in ash when a volcano erupted in what is today northern China. A new study by University of Pennsylvania paleobotanist Hermann ...
Space & Earth / Earth Sciences
Feb 20, 2012 |
5 / 5 (10) |
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Earth's massive extinction: The story gets worse
Scientists have uncovered a lot about the Earth's greatest extinction event that took place 250 million years ago when rapid climate change wiped out nearly all marine species and a majority of those on land. ...
Space & Earth / Earth Sciences
Jan 05, 2012 |
4 / 5 (25) |
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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 |
4.9 / 5 (22) |
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Genetic analysis shows tortoise species thought to be extinct for 150 years still lives
Dozens of giant tortoises of a species believed extinct for 150 years may still be living at a remote location in the Galapagos Islands, a genetic analysis conducted by Yale University researchers reveals.
Jan 09, 2012 |
4.6 / 5 (11) |
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Researchers find smoking gun of world's biggest extinction
About 250 million years about 95 per cent of life was wiped out in the sea and 70 per cent on land. Researchers at the University of Calgary believe they have discovered evidence to support massive volcanic ...
Space & Earth / Earth Sciences
Jan 23, 2011 |
4.7 / 5 (38) |
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Paleoecologists suggest mass extinction due to huge methane release
(PhysOrg.com) -- Micha Ruhl and colleagues from the University of Copenhagen's Nordic Center for Earth Evolution have published a paper in Science where they contend that the mass extinction that occurred at the ...
Unique volcanic complex discovered on Moon's far side
(PhysOrg.com) -- Analysis of new images of a curious hot spot on the far side of the Moon reveal it to be a small volcanic province created by the upwelling of silicic magma. The unusual location ...
Space & Earth / Space Exploration
Jul 25, 2011 |
5 / 5 (16) |
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Ancient sewer excavation sheds light on the Roman diet
(PhysOrg.com) -- Archaeologists working in a system of connected sewers and drains under the ancient town of Herculaneum in the Bay of Naples area of Italy have analyzed the human excrement found there and ...
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 ...