Wednesday, June 19, 2013

Scientists Date Prehistoric Bacterial Invasion Still Present in Today's Plant and Animal Cells

How long ago did bacteria invade the one-celled ancestors of plants and animals to become energy-producing mitochondria and photosynthesizing chloroplasts? Researchers developed a ...  > full story
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New Details About H7N9 Influenza Infections That Suddenly Appeared in China

Researchers have revealed new information about the latest strain of type A influenza, known as H7N9. ...  > full story
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Brain Can Plan Actions Toward Things the Eye Doesn't See

People can plan strategic movements to several different targets at the same time, even when they see far fewer targets than are actually present, according to a new study. ...  > full story
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Practical New Approach to Holographic Video Could Also Enable 2-D Displays With Higher Resolution and Lower Power Consumption

A practical new approach to holographic video could also enable 2-D displays with higher resolution and lower power consumption. ...  > full story
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The Rhythm of the Arctic Summer: Diverse Activity Patterns of Birds During the Arctic Breeding Season

Our internal circadian clock regulates daily life processes and is synchronized by external cues, the so-called Zeitgebers. The main cue is the light-dark cycle, whose strength is largely reduced in ...  > full story
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What Do Memories Look Like?

Scientists develop a way to see the structures that store memories in a living brain. ...  > full story
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Validating Maps of the Brain's Resting State

Researchers have provided important validation of maps of the brain at rest that may offer insights into changes in the brain that occur in neurological and psychiatric disorders. ...  > full story
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Three Centaurs Follow Uranus Through the Solar System

Astrophysicists have confirmed that Crantor, a large asteroid with a diameter of 70 km has an orbit similar to that of Uranus and takes the same amount of time to orbit the Sun. Researchers have demonstrated for the first time that this and a further two ...  > full story
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Researchers Discover Immunity Mechanism: Platelets Patrolling the Bloodstream

Scientists have discovered a mechanism that is used to protect the body from harmful bacteria. Platelets, a component of blood typically associated with clotting, were discovered to ...  > full story
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Distracted Walking: Injuries Soar for Pedestrians on Phones

More than 1,500 pedestrians were estimated to be treated in emergency rooms in 2010 for injuries related to using a cell phone while walking, according to a new nationwide study. ...  > full story
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Sound Waves Precisely Position Nanowires

The smaller components become, the more difficult it is to create patterns in an economical and reproducible way, according to an interdisciplinary team of researchers who, using sound waves, can place nanowires in repeatable patterns for potential ...  > full story
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City Slicker or Country Bumpkin: City-Life Changes Blackbird Personalities

The origins of a young animal might have a significant impact on its behavior later on in life. Researchers have been able to demonstrate in hand-reared blackbirds that urban-born individuals are less curious and ...  > full story
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Top Medical News


Altered Brain Structure in Pathological Narcissism

A far-reaching disorder of the self-esteem is denoted as a narcissistic personality disorder. Persons with pathological narcissism on the one hand suffer from feelings of inferiority, while on the other hand projecting themselves to the world as ...  > full story

Top Environment News


Structure from Disorder: Scientists Find New Source of Versatility So 'Floppy' Proteins Can Get Things Done

Many proteins work like Swiss Army knives, fitting multiple functions into their elaborately folded structures. A bit mysteriously, some proteins manage to multitask even with structures that are unfolded and floppy -- "intrinsically disordered." ...  > full story

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When It Comes to Mammals, How Big Is Too Big?

Mammals vary enormously in size, from weighing less than a penny to measuring more than three school buses in length. Some groups of mammals have become very large, such as elephants and whales, while others have always been small, like primates. A ...  > full story

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Space & Time

The Turbulent, High-Energy Sky Is Keeping NuSTAR Busy

NuSTAR has been busy studying the most energetic phenomena in the universe. Recently, a few high-energy events have sprung up, akin to "things that go bump in the night." When one telescope catches a sudden outpouring of high-energy light in the ...  > full story

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