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Top Stories 25 August 2015

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New Pap Smear Schedule Led to Fewer Chlamydia Tests, New U-M Study Suggests

It’s a tale of two tests: one for early signs of cervical cancer, the other for the sexually transmitted disease chlamydia. But a change in the recommended schedule for one may have dramatically lowered the chances that young women would get the other, a new study finds.

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Brent Seales' Research Team Reveals Biblical Text From Damaged Scroll

For the first time, advanced technologies made it possible to read parts of a damaged scroll that is at least 1,500 years old, discovered inside the Holy Ark of the synagogue at Ein Gedi in Israel. High-resolution scanning and UK Professor Brent Seales' revolutionary virtual unwrapping tool revealed verses from the Book of Leviticus.

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Stopping Malaria in Its Tracks

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A new drug acts as a roadblock for malaria, curing mice of established infection, according to researchers. Treatment was not associated with obvious side effects, suggesting that the drug may also be safe and effective in humans.

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Finding the Origins of Life in a Drying Puddle

Anyone who’s ever noticed a water puddle drying in the sun has seen an environment that may have driven the type of chemical reactions that scientists believe were critical to the formation of life on the early Earth.

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How Clouds Get Their Brightness

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How clouds form and how they help set the temperature of the earth are two of the big remaining questions in climate research. Now, a study of clouds over the world's remotest ocean shows that ocean life is responsible for up to half the cloud droplets that pop in and out of existence during summer.

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Yoichiro Nambu, Nobel-Winning Theoretical Physicist, 1921-2015

University of Chicago Professor Emeritus Yoichiro Nambu, who received a share of the 2008 Nobel Prize in Physics for his theory about the workings of the subatomic world, died July 5 in Osaka, after an acute heart attack. He was 94.

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A Most Singular Nano-Imaging Technique

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“SINGLE” is a new imaging technique that provides the first atomic-scale 3D structures of individual nanoparticles in solution. This is an important step for improving the design of colloidal nanoparticles for catalysis and energy research applications.

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Device Delivers Drugs to Brain via Remote Control

A team of researchers, including neuroscientists from Washington University School of Medicine in St. Louis, has developed a wireless device the width of a human hair that can be implanted in the brain and activated by remote control to deliver drugs to brain cells. The technology, demonstrated for the first time in mice, one day may be used to treat pain, depression, epilepsy and other neurological disorders in people by targeting therapies to specific brain circuits.

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Researchers Find the “Acoustic Signature” of Screams

A team of NYU neuroscientists has identified the “acoustic signature” of screams, a study that points to the unique attributes of this form of expression and suggests we are able to generate sounds reserved exclusively for signaling distress.

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Job Strain Linked to Increased Sick Leave Due to Mental Disorders

Workers with high job demands and job strain are at increased risk of sick leave due to mental disorders, reports a study in the August Journal of Occupational and Environmental Medicine, official publication of the American College of Occupational and Environmental Medicine (ACOEM).

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Alzheimer’s May Affect the Brain Differently in African-Americans than European-Americans

Alzheimer’s disease may cause different changes in the brain, or pathologies, in African-Americans than in white Americans of European descent, according to a study published in the July 15, 2015, online issue of the medical journal of the American Academy of Neurology.

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Drug Shows Promise as Single-Dose Cure and as Preventive Treatment for Malaria

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Researchers at UT Southwestern Medical Center and in Australia have shown that a drug currently in testing shows potential to cure malaria in a single dose and offers promise as a preventive treatment as well.

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UGA Researchers Develop Breakthrough Tools in Fight Against Cryptosporidium

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Researchers at the University of Georgia have developed new tools to study and genetically manipulate cryptosporidium. Their discoveries, published in the journal Nature, will ultimately help researchers find new treatments and vaccines for cryptosporidium, a major cause of disease and death in children under 2 years old.

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Half of Americans Over 40 Should Take Statins

...as a cost effective prevention of more serious cardiovascular-related health issues

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Study Links Success in Adulthood to Childhood Psychiatric Health

Children with even mild or passing bouts of depression, anxiety and/or behavioral issues were more inclined to have serious problems that complicated their ability to lead successful lives as adults, according to research from Duke Medicine.

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Study Highlights Pneumonia Hospitalizations Among US Adults

Viruses, not bacteria, are the most commonly detected respiratory pathogens in U.S. adults hospitalized with pneumonia, according to a New England Journal of Medicine study released today and conducted by researchers at Centers for Disease Control and Prevention (CDC) and hospitals in Chicago and Nashville, including Vanderbilt University Medical Center.

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Continued Destruction of Earth’s Plant Life Places Humankind in Jeopardy, Says UGA Research

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Unless humans slow the destruction of Earth’s declining supply of plant life, civilization like it is now may become completely unsustainable, according to a paper published recently by University of Georgia researchers in the Proceedings of the National Academy of Sciences.

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Study Discovers Human Hands May Be More Primitive Than Chimp's

Today, Nature is publishing a paper "The evolution of human and ape hand proportions," a study that discovers that human hands may be more primitive than chimp's.

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More Precise Estimate of Avogadro's Number to Help Redefine Kilogram

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An ongoing international effort to redefine the kilogram by 2018 has been helped by recent efforts from a team researchers from Italy, Japan and Germany to correlate two of the most precise measurements of Avogadro's number and obtain one averaged value that can be used for future calculations. Their results are published this week in the Journal of Physical and Chemical Reference Data, from AIP Publishing.