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Saturday November 22nd 2014

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Researchers tease out glitches in immune system’s self-recognition

In order to distinguish self from other, the immune system processes proteins from inside and outside the body in different ways. A new study revises understanding of how the process works and sheds light on autoimmune disease.

Posted on 21 November 2014 | 5:00 am

Researchers study impact of power prosthetic failures on amputees

Powered lower limb prosthetics hold promise for improving the mobility of amputees, but errors in the technology may also cause some users to stumble or fall. New research examines exactly what happens when these technologies fail, with the goal of developing a new generation of more robust powered prostheses.

Posted on 21 November 2014 | 5:00 am

Investigational drug reduces high potassium levels in chronic kidney disease patients

Research published today found that the investigational drug patiromer decreased high potassium levels and maintained normal potassium levels in patients with chronic kidney disease. The results of a multicenter trial appear in the New England Journal of Medicine.

Posted on 21 November 2014 | 5:00 am

Polyethylene mulch, glazing create optimal conditions for soil solarization

Researchers raised soil temperatures in high tunnels in southern Arizona to determine the efficacy of soil solarization using clear mulch on the soil surface and with tunnel glazing or with no glazing. Outcomes showed that producers using high tunnels in the region can complete solarization in less than a week during summer when the soil is fallow using glazing on the high tunnel and polyethylene mulch on the soil surface.

Posted on 21 November 2014 | 5:00 am

Women with serious mental illness less likely to receive cancer screenings

Study finds that women with symptoms of serious mental illness are 40 percent less likely to receive three cancer screenings: mammography, clinical breast exams and PAP smears.

Posted on 21 November 2014 | 5:00 am

Type 2 diabetes: Added benefit of canagliflozin plus metformin is not proven

As in the first dossier assessment of canagliflozin, the drug manufacturer provided no suitable data for the fixed combination with metformin either.

Posted on 21 November 2014 | 5:00 am

Only half of patients take their medications as prescribed

Here is what we know: If people take medications prescribed to them, they usually get better. But only about half of all patients prescribed medication take it according to directions. Here is what we don’t know: We don’t know how to get patients to take their medications, despite many studies looking at the issue.

Posted on 21 November 2014 | 5:00 am

Research examines an emerging issue: Treatment of transgendered prison populations

The perceptions and treatment of transgendered populations will be examined at the annual meeting of the American Society of Criminology.

Posted on 21 November 2014 | 5:00 am

Theater arts research offers insight for designers, builders of robots

UT Arlington Theatre Arts research provides insight into human behavior for scientists, engineers who design and build social robots.

Posted on 21 November 2014 | 5:00 am

Trouble with your boss? Own it

Don’t get along with your boss? Your job performance may actually improve if the two of you can come to grips with the poor relationship.

Posted on 21 November 2014 | 5:00 am

Science News Headlines – Yahoo News

Get the latest Science news headlines from Yahoo News. Find breaking Science news, including analysis and opinion on top Science stories.

People Move Less in Extreme Weather, Jawbone Tracker Finds

People Move Less in Extreme Weather, Jawbone Tracker FindsThe company looked at data posted online over the course of a year by people in the U.S. wearing the Jawbone UP fitness tracker, and found that on weekdays, users walked 5 percent more steps when the temperature was 70degrees Fahrenheit (21 degrees Celsius) than they did when it was 40 F (4 C). "There is an ideal temperature range for physical activity," Eugene Mandel, a member of Jawbone's data team, wrote in a Nov. 19 blog post. "People move more when the temperature is comfortable. Hundreds of thousands of people across the U.S. now wear the Jawbone UP, a wristband that tracks its users' movements, sleep patterns and healthy living goals, the company says.

Posted on 22 November 2014 | 1:17 am

Planet Hunting to Sky Surveys, Astronomy and Statistics Realign (Op-Ed)

Planet Hunting to Sky Surveys, Astronomy and Statistics Realign (Op-Ed)G. Jogesh Babu is director of the Center for Astrostatistics at Penn State, and Eric Feigelson is the center's associate director and professor of astronomy and astrophysics at Penn State. After a century hiatus, astronomy and statistics recently reconnected, giving rise to the new field of astrostatistics. NASA's Kepler mission  has detected several thousand planets orbiting other stars, but it was through statistics that astronomers inferred that most stars have planetary systems and hundreds of millions of Earth-like planets probably exist in the galaxy. Such insights followed a long gap in the relationship between astrostatistics — a term coined by us in our book of the same title published in 1996 — and the broader field of astronomy.

Posted on 21 November 2014 | 9:07 pm

Binary Earth-Size Planets Possible Around Distant Stars

Binary Earth-Size Planets Possible Around Distant StarsTwo Earth-size planets that orbit each other might exist around distant stars, researchers say. Ryan and his colleagues Miki Nakajima and David Stevenson detailed their findings Nov. 11 at the American Astronomical Society's Division for Planetary Sciences meeting in Tucson, Arizona.

Posted on 21 November 2014 | 8:39 pm

Banking culture breeds dishonesty, scientific study finds

By Kate Kelland LONDON (Reuters) – - A banking culture that implicitly puts financial gain above all else fuels greed and dishonesty and makes bankers more likely to cheat, according to the findings of a scientific study. Researchers in Switzerland studied bank workers and other professionals in experiments in which they won more money if they cheated, and found that bankers were more dishonest when they were made particularly aware of their professional role. …

Posted on 21 November 2014 | 4:20 pm

Early-Life Trauma May Help with Managing Stress Later

Stress in one generation can lead to problems in that generation’s offspring, but it may also pass certain benefits on to future generations, new research in mice suggests. “We’ve been interested in the effects of traumatic stress for several years, and showed that the effects are multiple but mostly negative,” said study co-author Isabelle Mansuy, a researcher at the University of Zurich in Switzerland.

Posted on 21 November 2014 | 3:33 pm

Expensive Baby Monitors Give False Reassurance, Researcher Says

“They just don’t work,” said David King, a lecturer in pediatrics at the University of Sheffield in England who authored the new article.

Posted on 21 November 2014 | 3:29 pm

Small Volcanic Eruptions Slow Global Warming

Small Volcanic Eruptions Slow Global WarmingSmall volcanic eruptions account for part of the global warming slowdown since 2000, a new study suggests. Until now, the climate impacts of small volcanic blasts were overlooked because their planet-cooling particles cluster below the reach of satellites, scientists reported Oct. 31 in the journal Geophysical Research Letters. The stratosphere is the second layer of Earth's atmosphere, above the one in which humans live (the troposphere). Closer to the polar regions, the boundary drops to about 6 miles (10 km), said lead study author David Ridley, an atmospheric scientist at MIT.

Posted on 21 November 2014 | 1:24 pm

‘Star-gazing’ shrimp discovered in South Africa

JOHANNESBURG (Reuters) – A tiny shrimp equipped with large, candy-striped eyes to ward off predators has been discovered in South African waters, the University of Cape Town said on Friday. The 10-15 mm-long crustacean has been christened the “star-gazer mysid” as its eyes seem to gaze permanently upwards. Similar to insects’ eyes, they each look in a different direction. “The vivid ringed patterns are thought to be there to make the eyes appear to belong to a much bigger creature, and hence to scare off predators,” the university said. …

Posted on 21 November 2014 | 1:00 pm

Want to live on the ‘roof of the world’? Grow barley

Handout photo of a modern-day barley harvest in QinghaiBy Will Dunham WASHINGTON (Reuters) – The Tibetan Plateau, the harsh Asian domain known as the 'roof of the world,' would not seem an ideal place for people to call home thanks to its extreme altitude, frigid temperatures, relentless winds and low-oxygen conditions. When people did succeed in colonizing this remote land, it was only after they discovered how to feed themselves year-round with cold-hardy crops like barley brought to the region from far away, scientists said on Thursday. …

Posted on 20 November 2014 | 9:08 pm

HIV drugs show promise in treating common eye disease

Handout picture shows Retinal pigment epithelium treated with an HIV/AIDS drugBy Will Dunham WASHINGTON (Reuters) – A class of drugs used for three decades by people infected with the virus that causes AIDS may be effective in treating a leading cause of blindness among the elderly. HIV drugs called nucleoside reverse transcriptase inhibitors (NRTIs), including AZT and three others, blocked age-related macular degeneration in mice and worked well in experiments involving human retinal cells in the laboratory, researchers said on Thursday. In HIV-infected people, NRTIs block an enzyme the virus uses to create more copies of itself. …

Posted on 20 November 2014 | 7:08 pm