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December 18, 2014

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Physicists Image and Control the Motion of the Two Electrons in a Helium Atom

Image of the Motion of the Two Electrons in a Helium Atom

Using attosecond-timed laser flashes, a team of physicists has become the first to image and control the motion of the two electrons in a helium atom. Physicists are continuously advancing the control they can exert over matter. A German-Spanish team working with researchers from the Max Planck Institute for Nuclear Physics in Heidelberg has now […]

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December 18, 2014

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New Method for Detecting Unwanted DNA Breaks in Human Cells

New Method for Detecting Unwanted DNA Breaks

Researchers at the Harvard Medical School have developed a new method for detecting unwanted DNA breaks across the entire genome of human cells induced by the popular gene-editing tools called CRISPR-Cas RNA-guided nucleases. Members of the same team that first described these off-target effects in human cells describe their new platform, called GUIDE-seq (Genome-wide Unbiased […]

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December 18, 2014

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Targeted Computer Games Improve Neurobiological Dysfunctions of Psychopaths

Study Shows Computer Games Can Change the Behavior of Psychopaths

New research from Yale University shows that computer games can be used to change the behavior of psychopaths, teaching them to consider emotion and other pieces of information when they make decisions. Psychopaths generally do not feel fear and fail to consider the emotions of others, or reflect upon their behavior — traits that make […]

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December 18, 2014

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Chandra Measures Massive Galaxy Cluster in Distant Universe

Chandra Weighs the Most Massive Galaxy Cluster to Date

Using Chandra data, researchers were able to accurately determine the mass and other properties of the most distant massive galaxy cluster discovered to date. Officially named XDCP J0044.0-2033, the cluster is about 9.6 billion light years from Earth. A newly discovered galaxy cluster is the most massive one ever detected with an age of 800 […]

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December 18, 2014

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Fermi Helps Study Gamma-ray Thunderstorms

Scientists Study Gamma-ray Thunderstorms

A short video details how scientists merged data on high-energy bursts seen on Earth by NASA’s Fermi Gamma-ray Space Telescope with data from ground-based radar and lightning detectors to complete the most detailed analysis to date of the types of thunderstorms producing terrestrial gamma-ray flashes. New research merging Fermi data with information from ground-based radar […]

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December 18, 2014

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NASA Satellites Show Arctic Ocean is Absorbing More of the Sun’s Energy

Satellites Measure Increase of Sun’s Energy Absorbed in the Arctic

Using data from NASA satellite instruments, astronomers have observed a marked increase in solar radiation absorbed in the Arctic since the year 2000 – a trend that aligns with the steady decrease in Arctic sea ice during the same period. While sea ice is mostly white and reflects the sun’s rays, ocean water is dark […]

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December 17, 2014

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MESSENGER Reveals Possible Source of Surge of Calcium in Mercury Exosphere

MESSENGER Observations Suggest Recurring Meteor Shower on Mercury

New data from NASA’s MESSENGER has revealed seasonal surges of calcium in the exosphere of Mercury, suggesting that a periodic meteor shower from the debris trail left by comet Encke is the source. The closest planet to the sun appears to get hit by a periodic meteor shower, possibly associated with a comet that produces […]

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December 17, 2014

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A High-Obliquity Planet Could Be Habitable

High Obliquity Planet Could Be Habitable

A newly published study from scientists at MIT reveals that even a high-obliquity planet with a nearly horizontal axis could potentially support life, so long as the planet were completely covered by an ocean. Nearly 2,000 planets beyond our solar system have been identified to date. Whether any of these exoplanets are hospitable to life […]

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December 17, 2014

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New Synthetic Molecules (SyAMs) Mimic Antibodies

New Class of Synthetic Molecules Mimics Antibodies

Researchers from Yale University have created the first synthetic molecules that have both the targeting and response functions of antibodies. The new molecules — synthetic antibody mimics (SyAMs) — attach themselves simultaneously to disease cells and disease-fighting cells. The result is a highly targeted immune response, similar to the action of natural human antibodies. “Unlike […]

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December 17, 2014

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Study Shows Hypertension Medication May Help Smokers Quit

Hypertension Medication May Help Smokers Quit

A newly published study from Yale University reveals that a hypertension medication that targets stress may help smokers quit. Smokers trying to quit often light up a cigarette to deal with stress. Now an interdisciplinary team of Yale researchers has shown that guanfacine, a medication approved for treating hypertension that reduces stress and enhances cognition, […]

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December 17, 2014

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NASA’s Curiosity Rover Discovers Organic Chemistry on Mars

Rover Finds Active Ancient Organic Chemistry on Mars

Using the Tunable Laser Spectrometer instrument in Curiosity’s onboard Sample Analysis at Mars laboratory, astronomers have detected a tenfold spike in the abundance of methane in the Martian atmosphere. NASA’s Mars Curiosity rover has measured a tenfold spike in methane, an organic chemical, in the atmosphere around it and detected other organic molecules in a […]

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December 16, 2014

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The Interaction Between Interstellar Dust and Our Galaxy’s Magnetic Field

Image of the Magnetic Field Along the Galactic Plane

Using data from the Planck collaboration, this newly released image portrays the interaction between interstellar dust in the Milky Way and the structure of our Galaxy’s magnetic field. While the pastel tones and fine texture of this image may bring to mind brush strokes on an artist’s canvas, they are in fact a visualization of […]

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December 16, 2014

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NASA Data Reveal New Insight into the Hidden Movements of the Greenland Ice Sheet

New Insight Into Hidden Movements of Greenland Ice Sheet

Using NASA satellite data and airborne remote sensing instruments, a newly published study reveals new insights into the movement of melt water flowing through the Greenland Ice Sheet. This animation (from March 2014) portrays the changes occurring in the surface elevation of the Greenland Ice Sheet since 2003 in three drainage areas: the southeast, the […]

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December 16, 2014

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New Mathematical Relationship for Superconductors

New Mathematical Relationship for Superconductors

Engineers from MIT have discovered a new mathematical relationship between material thickness, temperature, and electrical resistance that appears to hold in all superconductors. The result could shed light on the nature of superconductivity and could also lead to better-engineered superconducting circuits for applications like quantum computing and ultralow-power computing. The findings are described in the […]

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December 16, 2014

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Yale Study Shows Ebola Virus Spreads in Social Clusters

Researchers Reveal Ebola Virus Spreads in Social Clusters

Using both genomic and epidemiological data from the current outbreak in Sierra Leone, researchers from Yale University discovered that the Ebola virus spreads in social clusters – a finding that has ramifications for case reporting and the public health. Prior studies of Ebola transmission were based on models that assumed the spread of infection occurred […]

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