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Solution Simplifies Microwave Electron Guns

November 19, 2014 7:00 am | by American Institute of Physics | News | Comments

On a quest to design an alternative to the two complex approaches currently used to produce electrons within microwave electron guns, a team of researchers has demonstrated a plug-and-play solution capable of operating in this high-electric-field environment with a high-quality electron beam.

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Dental Drugs Linked to Heart Risks

November 19, 2014 7:00 am | by Associated Press, Marilynn Marchione | News | Comments

Curbing the routine use of preventive antibiotics before dental work may have contributed to a rise in heart valve infections in England, a new study suggests. In the U.S., the highest-risk patients still get these drugs and no similar trend has been seen.

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Antibiotics During Pregnancy Up Offspring's Obesity Risk

November 19, 2014 7:00 am | by Columbia Univ.'s Mailman School of Public Health | News | Comments

A study has found that children who were exposed to antibiotics in the second or third trimester of pregnancy had a higher risk of childhood obesity at age seven. The research also showed that, for mothers who delivered their babies by a Caesarean section— whether elective or non-elective— there was a higher risk for obesity in their offspring.

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Parents Say Unvaccinated Kids Should Be Excluded from Daycare

November 19, 2014 7:00 am | by Univ. of Michigan Health System | Videos | Comments

Seventy-four percent of parents would consider removing their kids from daycare if other children were unvaccinated, while 41 percent of parents say under-vaccinated kids should be excluded from daycare.

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Fossils Cast Doubt on Climate Change Predictions

November 19, 2014 7:00 am | by Univ. of Oregon | News | Comments

Leave it to long-dead short-tailed shrew and flying squirrels to outfox climate modelers trying to predict future habitats. Evidence from the fossil record shows that a gluttonous insect-eating shrew didn't live where a species distribution technique, drawn by biologists, put it 20,000 years ago to survive the reach of glaciers.

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Report IDs Info that Should Be Recorded in EHRs

November 19, 2014 7:00 am | by National Academies Press | News | Comments

Determinants of health have traditionally been the concern of public health and have not been linked closely to clinical practice. However, if standardized social and behavioral data can be incorporated into patient electronic health records (EHRs), those data can provide crucial information about factors that influence health and the effectiveness of treatment.

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Aircraft Regulations Apply to Drones

November 18, 2014 2:00 pm | by Associated Press, Joan Lowy | News | Comments

The government has the power to hold drone operators accountable when they operate the remote-control aircraft recklessly, a federal safety board ruled today in a setback to small drone operators chafing under FAA restrictions.

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Chemists Develop Nanoreactor for Discovering Reactions

November 18, 2014 2:00 pm | by Stanford Univ. | News | Comments

A new computer model can identify unknown chemical mechanisms that could improve energy production and storage, or the development of new medicines.

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Neanderthals Not a Subspecies of Humans

November 18, 2014 2:00 pm | by SUNY Downstate Medical Center | News | Comments

Researchers have identified new evidence supporting the growing belief that Neanderthals were a distinct species separate from modern humans, and not a subspecies of modern humans. The research also indicates that the Neanderthals' extinction was likely because of competition from modern humans and not an inability to process a colder and drier climate.

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San Diego Reconsiders Recycling Water

November 18, 2014 2:00 pm | by Associated Press, Elliot Spagat | News | Comments

Dismissed only a few years ago by residents of California's second-largest city, San Diego is joining other California cities that are taking a closer look at recycling wastewater for drinking as the state suffers from severe drought.

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Federal Plan OKs Fracking in National Forest

November 18, 2014 2:00 pm | by Associated Press, Brock Vergakis | News | Comments

Over the objection of environmental groups and Virginia's governor, a federal management plan released today will allow a form of natural gas drilling known as fracking to occur in parts of the largest national forest on the East Coast.

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Climate Change Didn't Cause Collapse of Bronze Age

November 18, 2014 2:00 pm | by Univ. of Bradford | News | Comments

Scientists will have to find alternative explanations for a huge population collapse in Europe at the end of the Bronze Age as researchers have proven definitively that climate change— commonly assumed to be responsible— could not have been the culprit.

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Gravity May Have Saved Universe in the Beginning

November 18, 2014 2:00 pm | by Imperial College London | News | Comments

Studies have suggested that the production of Higgs particles during the accelerating expansion of the very early universe should have led to instability and collapse. Now, a team has described how the space-time curvature– in effect, gravity– provided the stability needed for the universe to survive expansion.

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Grand Canyon Incentivizes Quieter Aircraft

November 18, 2014 7:00 am | by Associated Press, Felicia Fonseca | News | Comments

Air tour operators at the Grand Canyon would be able to take more visitors over the most popular flight routes under a proposed incentive to make aircraft quieter. The incentive would apply to the Dragon and Zuni Point corridors, which provide views of the widest and deepest parts of the canyon to the eastern edge.

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Antimicrobial Causes Liver Fibrosis, Cancer in Mice

November 18, 2014 7:00 am | by UC San Diego | News | Comments

Triclosan is an antimicrobial commonly found in soaps, shampoos, toothpastes and many other household items. Despite its widespread use, researchers are reporting potentially serious consequences of long-term exposure to the chemical. Their study shows that triclosan causes liver fibrosis and cancer in laboratory mice through molecular mechanisms that are also relevant in humans.

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