Chile’s February 27 temblor, tectonically linked to another giant quake 50 years ago, sped up the Earth’s rotation and tipped the planet’s axis.
US Geological Survey
US Geological Survey
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http://www.sciencenews.org/view/interest/id/2362
| :: | Earth |
Top Stories | March 10
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Temperatures in Iceland plummeted soon after settlers arrived, a new chemical analysis suggests.
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South African rocks suggest that the earliest stages of life on Earth were protected from harmful solar radiation.
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Measurements show that Arctic undersea methane deposits, previously thought to be sealed by permafrost, are leaking into the atmosphere.
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A study of a rare Norwegian fossil narrows down when polar bears evolved and finds they are closely related to modern-day brown bears in Alaska.
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More in Earth
A study of a rare Norwegian fossil narrows down when polar bears evolved and finds they are closely related to modern-day brown bears in Alaska.Major U.S. science organizations aren’t the only ones to realize that the climate-science community has bungled – and badly – its portrayals of research on global change in recent months, if not years, and its responses to criticisms. Yesterday, the Intergovernmental Panel on Climate Change (a group established by the United Nations and World Meteorological Organization) said: “we recognize the criticism that has been leveled at us and the need to respond.” So will be convening an “independent review” panel to investigate what the organization’s procedures should be to vet not only the data it uses and how to synthesize conclusions based on those data, but also how it should convey those conclusions (and any necessary caveats) in reports to the public and policymakers. Deep-sea currents can waft larvae hundreds of kilometers. Oceanographers are finding more patches of floating polymers, some up to 20 meters deep. Publication of hacked emails exchanged by climate scientists. News accounts of problems in vetting data used in climate-assessment reports. Charges by critics that scientists won’t release their raw data so that others might independently vet published analyses of climate trends. Taken together, these events have marred the reputations of climate scientists, the Intergovernmental Panel on Climate Change and perhaps science generally. Or so concluded a distinguished panel of science luminaries. |
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Science News
Analysis of a fossil suggests plumage first evolved for display, not flight.2|27 Issue Links Researchers find microscopic structures in some fossils that may have held pigments. A decline in stratospheric water vapor has slowed Earth’s surface warming slightly in recent years. |
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Reader Favorites:
- Earth knocked for a loop
- Arctic seafloor a big source of methane
- Ancient Norse colonies hit bad climate times
- Ancient DNA suggests polar bears evolved recently
- Geophysicists push age of Earth's magnetic field back 250 million years
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