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Physician disclosure of specialty bias [Psychological and Cognitive Sciences]

PNAS Early Edition Articles - Mon, 06/20/2016 - 12:51
This paper explores the impact of disclosures of bias on advisees. Disclosure—informing advisees of a potential bias—is a popular solution for managing conflicts of interest. Prior research has focused almost exclusively on disclosures of financial conflicts of interest but little is known about how disclosures of other types of biases...

Insurance coverage and fraud in credence goods [Economic Sciences]

PNAS Early Edition Articles - Mon, 06/20/2016 - 12:51
Honesty is a fundamental pillar for cooperation in human societies and thus for their economic welfare. However, humans do not always act in an honest way. Here, we examine how insurance coverage affects the degree of honesty in credence goods markets. Such markets are plagued by strong incentives for fraudulent...

MTB fumarase inhibitor reveals allosteric site [Biochemistry]

PNAS Early Edition Articles - Mon, 06/20/2016 - 12:51
Enzymes in essential metabolic pathways are attractive targets for the treatment of bacterial diseases, but in many cases, the presence of homologous human enzymes makes them impractical candidates for drug development. Fumarate hydratase, an essential enzyme in the tricarboxylic acid (TCA) cycle, has been identified as one such potential therapeutic...

Greenpeace co-founder Dr. Patrick Moore pens treatise on the positive effects of CO2 – says there is no crisis

Climate Depot - Mon, 06/20/2016 - 10:59
We should ask those who predict catastrophic climate change, including the UN’s Intergovernmental Panel on Climate Change, some pressing questions regarding the outcome if humans had not intervened in the carbon cycle. What evidence or argument is there that the global climate would not revert to another glacial period in keeping with the Milankovitch cycles [...]

BUSTED: Claim of Greenland Warmest Temperature Record of 75°F Challenged By Data

Climate Depot - Mon, 06/20/2016 - 10:43
https://notalotofpeopleknowthat.wordpress.com/2016/06/17/theres-joe-romm-and-then-theres-the-facts/ By Paul Homewood http://thinkprogress.org/climate/2016/06/15/3788651/greenland-record-globe-hottest-year/ Joe Romm has been up to his tricks again: Last Thursday, Greenland’s capital hit 75°F, which was hotter than New York City. This was the highest temperature ever recorded there in June — in a country covered with enough ice to raise sea levels more than 20 feet. It comes [...]

Scientists: Evidence doesn’t support rapid future sea level rise

Climate Depot - Mon, 06/20/2016 - 10:34
What is known about sea level rise? The long-term record is from tide gauges spread around the world. The oldest records date back to the 1890s and the average rise for 225 tide gauges spread around the world is 1.48 mm per year. (Source: Sea Level Info.) This is close to the generally accepted 1.72 [...]

Changjiang 2 starts supplying power to grid

World Nuclear News - Mon, 06/20/2016 - 09:43
The second unit at the Changjiang nuclear power plant on China's southern island province of Hainan has been connected to the electricity grid, China National Nuclear Corporation has announced.

Oconee flood protection improvements complete

World Nuclear News - Mon, 06/20/2016 - 09:23
Eight years after requesting information on flood protection at the Oconee nuclear power plant, the US Nuclear Regulatory Commission has concluded that modifications carried out by Duke Energy would adequately protect the plant from a potential failure of a nearby dam.

Takahama units cleared for extended operation

World Nuclear News - Mon, 06/20/2016 - 07:43
The Japanese nuclear regulator has today approved the operation of units 1 and 2 of Kansai Electric Power Company's Takahama nuclear power plant for up to 60 years. They become the first Japanese units to be granted a licence extension beyond 40 years under revised regulations.

Ocean science: Vagaries of Atlantic overturning

Nature Geoscience Advanced Online - Sun, 06/19/2016 - 23:00

Nature Geoscience. doi:10.1038/ngeo2748

Author: Thomas W. N. Haine

A weakening of the Atlantic meridional overturning circulation has emerged from noise after years of painstaking measurements. Three independent lines of evidence suggest that an anthropogenic influence on this overturning is not yet detectable.

Continent-sized anomalous zones with low seismic velocity at the base of Earth's mantle

Nature Geoscience Advanced Online - Sun, 06/19/2016 - 23:00

Nature Geoscience. doi:10.1038/ngeo2733

Authors: Edward J. Garnero, Allen K. McNamara & Sang-Heon Shim

Emerging impact of Greenland meltwater on deepwater formation in the North Atlantic Ocean

Nature Geoscience Advanced Online - Sun, 06/19/2016 - 23:00

Nature Geoscience. doi:10.1038/ngeo2740

Authors: Claus W. Böning, Erik Behrens, Arne Biastoch, Klaus Getzlaff & Jonathan L. Bamber

The Greenland ice sheet has experienced increasing mass loss since the 1990s. The enhanced freshwater flux due to both surface melt and outlet glacier discharge is assuming an increasingly important role in the changing freshwater budget of the subarctic Atlantic. The sustained and increasing freshwater fluxes from Greenland to the surface ocean could lead to a suppression of deep winter convection in the Labrador Sea, with potential ramifications for the strength of the Atlantic meridional overturning circulation. Here we assess the impact of the increases in the freshwater fluxes, reconstructed with full spatial resolution, using a global ocean circulation model with a grid spacing fine enough to capture the small-scale, eddying transport processes in the subpolar North Atlantic. Our simulations suggest that the invasion of meltwater from the West Greenland shelf has initiated a gradual freshening trend at the surface of the Labrador Sea. Although the freshening is still smaller than the variability associated with the episodic ‘great salinity anomalies’, the accumulation of meltwater may become large enough to progressively dampen the deep winter convection in the coming years. We conclude that the freshwater anomaly has not yet had a significant impact on the Atlantic meridional overturning circulation.

The North Atlantic Oscillation as a driver of rapid climate change in the Northern Hemisphere

Nature Geoscience Advanced Online - Sun, 06/19/2016 - 23:00

Nature Geoscience. doi:10.1038/ngeo2738

Authors: Thomas L. Delworth, Fanrong Zeng, Gabriel A. Vecchi, Xiaosong Yang, Liping Zhang & Rong Zhang

Pronounced climate changes have occurred since the 1970s, including rapid loss of Arctic sea ice, large-scale warming and increased tropical storm activity in the Atlantic. Anthropogenic radiative forcing is likely to have played a major role in these changes, but the relative influence of anthropogenic forcing and natural variability is not well established. The above changes have also occurred during a period in which the North Atlantic Oscillation has shown marked multidecadal variations. Here we investigate the role of the North Atlantic Oscillation in these rapid changes through its influence on the Atlantic meridional overturning circulation and ocean heat transport. We use climate models to show that observed multidecadal variations of the North Atlantic Oscillation can induce multidecadal variations in the Atlantic meridional overturning circulation and poleward ocean heat transport in the Atlantic, extending to the Arctic. Our results suggest that these variations have contributed to the rapid loss of Arctic sea ice, Northern Hemisphere warming, and changing Atlantic tropical storm activity, especially in the late 1990s and early 2000s. These multidecadal variations are superimposed on long-term anthropogenic forcing trends that are the dominant factor in long-term Arctic sea ice loss and hemispheric warming.

The vertical fingerprint of earthquake cycle loading in southern California

Nature Geoscience Advanced Online - Sun, 06/19/2016 - 23:00

Nature Geoscience. doi:10.1038/ngeo2741

Authors: Samuel Howell, Bridget Smith-Konter, Neil Frazer, Xiaopeng Tong & David Sandwell

The San Andreas Fault System, one of the best-studied transform plate boundaries on Earth, is well known for its complex network of locked faults that slowly deform the crust in response to large-scale plate motions. Horizontal interseismic motions of the fault system are largely predictable, but vertical motions arising from tectonic sources remain enigmatic. Here we show that when carefully treated for spatial consistency, global positioning system-derived vertical velocities expose a small-amplitude (±2 mm yr−1), but spatially considerable (200 km), coherent pattern of uplift and subsidence straddling the fault system in southern California. We employ the statistical method of model selection to isolate this vertical velocity field from non-tectonic signals that induce velocity variations in both magnitude and direction across small distances (less than tens of kilometres; ref. ), and find remarkable agreement with the sense of vertical motions predicted by physical earthquake cycle models spanning the past few centuries. We suggest that these motions reveal the subtle, but identifiable, tectonic fingerprint of far-field flexure due to more than 300 years of fault locking and creeping depth variability. Understanding this critical component of interseismic deformation at a complex strike–slip plate boundary will better constrain regional mechanics and crustal rheology, improving the quantification of seismic hazards in southern California and beyond.

Paper: ‘Climate Change’ is California’s official state religion

Climate Depot - Sun, 06/19/2016 - 16:30
http://www.ocregister.com/articles/state-719782-climate-religious.html In a state ruled by a former Jesuit, perhaps we should not be shocked to find ourselves in the grip of an incipient state religion. Of course, this religion is not actually Christianity, or even anything close to the dogma of Catholicism, but something that increasingly resembles the former Soviet Union, or present-day Iran [...]

Study: The Antarctic Has Been Warmer Than Now For Most Of The Last 8000 Years

Climate Depot - Sun, 06/19/2016 - 10:53
The Antarctic Has Been Warmer Than Now For Most Of The Last 8000 Years https://notalotofpeopleknowthat.wordpress.com/2016/06/19/the-antarctic-has-been-warmer-than-now-for-most-of-the-last-8000-years/ By Paul Homewood http://onlinelibrary.wiley.com/doi/10.1002/2016GL068356/full A paper recently published attempts to measure the relationship between ice accumulation and temperature in Antarctica for the last 31000 years. The study is based in West Antarctica. I won’t go into the details, which were [...]

New Paper Finds That Even Seismic Activity Correlates Better With Warming Than CO2!

Climate Depot - Sun, 06/19/2016 - 10:51
New Paper Finds That Even Seismic Activity Correlates Better With Warming Than CO2! http://notrickszone.com/2016/06/19/new-paper-finds-that-even-seismic-activity-correlates-better-with-warming-than-co2/ The correlation between seismic activity (geothermal flux) as a natural mechanism in the 1979 to 2015 global warming is stronger than the correlation with carbon dioxide during the same period. Hat-tip: Kenneth Richard Viterito, 2016 The Correlation Of Seismic Activity And Recent Global Warming [...]
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