News tagged with geological events
New finding affects understanding of formation of the solar system
(PhysOrg.com) -- A global collaboration including five University of Notre Dame researchers has revised the half-life of samarium-146 (146Sm), reducing it to 68 million years from 103 million years. The finding ...
Apr 02, 2012 |
4.7 / 5 (12) |
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Scientists refine Earth's clock
New research has revealed that some events in Earth's history happened more recently than previously thought.
Space & Earth / Earth Sciences
Mar 29, 2012 |
4.5 / 5 (6) |
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Exploring eruptions: Research on volcanoes could one day help save lives
Geology takes the long view. It is a field, after all, in which the pace of change spans billions of years. John Lyons, however, is interested in geological events that happen at a faster rate. So the recent ...
Space & Earth / Earth Sciences
Feb 15, 2012 |
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NPL and SUERC calibrate a 'rock clock'
New research by the National Physical Laboratory (NPL) and the Scottish Universities Environmental Research Centre (SUERC) will improve the accuracy of estimates of the time of geological events. The work centres on the calibration ...
Jan 05, 2012 |
4 / 5 (2) |
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Precipitation variability in Northeast, Southwest linked in 1,000-year analysis
An analysis of precipitation data collected from a lakebed in New York and a Rhode Island estuary has provided a link between the variability of precipitation in the Northeast with that of the Southwest. The results validate ...
Space & Earth / Earth Sciences
Nov 08, 2011 |
3.5 / 5 (4) |
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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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Worms among first animals to surface after K-T extinction event, study finds
A new study of sediments laid down shortly after an asteroid plowed into the Gulf of Mexico 65.5 million years ago, an event that is linked to widespread global extinctions including the demise of big dinosaurs, ...
Other Sciences / Archaeology & Fossils
Oct 11, 2011 |
5 / 5 (3) |
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China fossil shows bird, crocodile family trees split earlier than thought
A fossil unearthed in China in the 1970s of a creature that died about 247 million years ago, originally thought to be a distant relative of both birds and crocodiles, turns out to have come from the crocodile ...
Other Sciences / Archaeology & Fossils
May 18, 2011 |
4.8 / 5 (4) |
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Monsoons spinning the Earth's plates: study
(PhysOrg.com) -- Scientists have for the first time shown a link between intensifying climate events and tectonic plate movement in findings that could provide a valuable insight into why huge tremors occur.
Space & Earth / Earth Sciences
Apr 13, 2011 |
3.2 / 5 (13) |
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LIDAR applications in coastal morphology and hazard assessment
Southampton scientists along with colleagues in New Zealand have used a sophisticated optical mapping technique to identify and accurately measure changes in coastal morphology following a catastrophic series ...
Space & Earth / Earth Sciences
Nov 23, 2010 |
5 / 5 (2) |
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Rolling the dice with evolution: Massive extinction will have unpredictable consequences
(PhysOrg.com) -- New research by Macquarie University palaeobiologist, Dr John Alroy, predicts major changes to the rules of evolution as we understand them now. Those changes will have serious consequences for future biodiversity ...
Sep 03, 2010 |
4.9 / 5 (14) |
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Frogs evolution tracks rise of Himalayas and rearrangement of Southeast Asia
The evolution of a group of muscled frogs scattered throughout Asia is telling geologists about the sequence of events that led to the rise of the Himalayas and the Tibetan plateau starting more than 55 million ...
Space & Earth / Earth Sciences
Aug 05, 2010 |
5 / 5 (8) |
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Biologists merge methods, results from different disciplines to find new meaning in old data
A growing number of scientists are merging methods and results from different disciplines to extract new meaning from old data, says a team of researchers in a recent issue of Evolution.
Jan 11, 2010 |
4.5 / 5 (2) |
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Late-surviving megafauna exposed by ancient DNA in frozen soil
Extinct woolly mammoths and ancient American horses may have been grazing the North American steppe for several thousand years longer than previously thought. After plucking ancient DNA from frozen soil in ...
Dec 15, 2009 |
4.5 / 5 (2) |
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Sea level is rising along US Atlantic coast, say environmental scientists
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 ...
Space & Earth / Earth Sciences
Dec 10, 2009 |
3.8 / 5 (13) |
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