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The Lead

Implantable electrode coating good as gold

May 4, 2015 11:51 am | by Anne M. Stark, Lawrence Livermore National Laboratory | News | Comments

A team of researchers from Lawrence Livermore National Laboratory and Univ. of California, Davis, have found that covering an implantable neural electrode with nanoporous gold could eliminate the risk of scar tissue forming over the electrode’s surface. The team demonstrated that the nanostructure of nanoporous gold achieves close physical coupling of neurons by maintaining a high neuron-to-astrocyte surface coverage ratio.

Proteomics identifies DNA repair toolbox

May 4, 2015 10:49 am | by Max Planck Institute of Biochemistry | News | Comments

During each cell division, more than 3.3 billion base pairs of genomic DNA have to be duplicated...

The random Raman laser: A new light source for microcosmos

May 4, 2015 10:42 am | by The Optical Society | News | Comments

In modern microscope imaging techniques, lasers are used as light sources because they can...

“Nanoflares” superheat sun’s corona

May 4, 2015 9:44 am | by Mike Williams, Rice Univ. | News | Comments

New research by NASA, Rice Univ. and the Univ. of Glasgow details the first solid evidence of...

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How studying bat touch could help build better planes

May 4, 2015 8:51 am | by Columbia Univ. Medical Center | Videos | Comments

Bats are masters of flight in the night sky, capable of steep nosedives and sharp turns that put our best aircrafts to shame. Although the role of echolocation in bats’ impressive midair maneuvering has been extensively studied, the contribution of touch has been largely overlooked. A study published in Cell Reports shows, for the first time, that a unique array of sensory receptors in the wing provides feedback to a bat during flight.

For batteries, one material does it all

May 4, 2015 8:22 am | by Univ. of Maryland | News | Comments

Engineers at the Univ. of Maryland have created a battery that is made entirely out of one material, which can both move electricity and store it. Envision an Oreo cookie. Most batteries have at either end a layer of material for the electrodes like the chocolate cookies to help move ions though the creamy frosting (the electrolyte). The team made a single material that incorporates the properties of both the electrodes and electrolyte.

From brittle to plastic in one breath

May 4, 2015 7:49 am | by Mike Williams, Rice Univ. | News | Comments

What if peanut brittle, under certain conditions, behaved like taffy? Something like that happens to a 2-D dichalcogenide analyzed by scientists at Rice Univ. Rice researchers calculated that atomically thin layers of molybdenum disulfide can take on the qualities of plastic through exposure to a sulfur-infused gas at the right temperature and pressure.

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Researchers probe chemistry, topography and mechanics with one instrument

May 4, 2015 7:39 am | by Dawn Levy, Oak Ridge National Laboratory | News | Comments

The probe of an atomic force microscope (AFM) scans a surface to reveal details at a resolution 1,000 times greater than that of an optical microscope. That makes AFM the premier tool for analyzing physical features, but it cannot tell scientists anything about chemistry. For that they turn to the mass spectrometer.

New research into health benefits of coffee

May 1, 2015 10:29 am | by Monash Univ. | News | Comments

New research has brought us closer to being able to understand the health benefits of coffee. Monash Univ. researchers, in collaboration with Italian coffee roasting company Illycaffè, have conducted the most comprehensive study to date on how free radicals and antioxidants behave during every stage of the coffee brewing process, from intact bean to coffee brew.

Practical gel that simply “clicks” for biomedical applications

May 1, 2015 10:17 am | by Harvard Univ. | News | Comments

If you opt to wear soft contact lenses, chances are you are using hydrogels on a daily basis. Made up of polymer chains that are able to absorb water, hydrogels used in contacts are flexible and allow oxygen to pass through the lenses, keeping eyes healthy. Hydrogels can be up to 99% water and as a result are similar in composition to human tissues.

Gravity data show that Antarctic ice sheet is melting increasingly faster

May 1, 2015 9:09 am | by Morgan Kelly, Princeton Univ. | News | Comments

During the past decade, Antarctica's massive ice sheet lost twice the amount of ice in its western portion compared with what it accumulated in the east, according to Princeton Univ. researchers who came to one overall conclusion: The southern continent's ice cap is melting ever faster.

Dull glow of forest yields orbital tracking of photosynthesis

May 1, 2015 8:59 am | by Kevin Stacey, Brown Univ. | News | Comments

A research team has provided some crucial ground-truth for a method of measuring plant photosynthesis on a global scale from low-Earth orbit. The researchers have shown that chlorophyll fluorescence, a faint glow produced by plant leaves as a byproduct of photosynthesis, is a strong proxy for photosynthetic activity in the canopy of a deciduous forest.

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How metal contamination makes gasoline production inefficient

May 1, 2015 8:45 am | by SLAC National Accelerator Laboratory | Videos | Comments

Scientists have identified key mechanisms of the aging process of catalyst particles that are used to refine crude oil into gasoline. This advance could lead to more efficient gasoline production. Their recent experiments studied so-called fluid catalytic cracking (FCC) particles that are used to break long-chain hydrocarbons in crude oil into smaller, more valuable hydrocarbons like gasoline.

Cellular sensing platform supports next-gen bioscience, biotech applications

May 1, 2015 8:25 am | by John Toon, Georgia Institute of Technology | News | Comments

Researchers from the Georgia Institute of Technology have developed a novel cellular sensing platform that promises to expand the use of semiconductor technology in the development of next-generation bioscience and biotech applications. The research proposes and demonstrates the world’s first multi-modality cellular sensor arranged in a standard low-cost CMOS process.

Engineering a better solar cell

May 1, 2015 7:57 am | by Renee Gastineau, Univ. of Washington | News | Comments

One of the fastest-growing areas of solar energy research is with materials called perovskites. These promising light harvesters could revolutionize the solar and electronics industries because they show potential to convert sunlight into electricity more efficiently and less expensively than today’s silicon-based semiconductors.

Did dinosaur-killing asteroid trigger largest lava flows on Earth?

May 1, 2015 7:47 am | by Robert Sanders, Univ. of California, Berkeley | News | Comments

The asteroid that slammed into the ocean off Mexico 66 million years ago and killed off the dinosaurs probably rang the Earth like a bell, triggering volcanic eruptions around the globe that may have contributed to the devastation, according to a team of Univ. of California, Berkeley geophysicists.

Chemists cook up three-atom-thick electronic sheets

April 30, 2015 8:41 am | by Anne Ju, Cornell Univ. | News | Comments

Making thin films out of semiconducting materials is analogous to how ice grows on a windowpane: When the conditions are just right, the semiconductor grows in flat crystals that slowly fuse together, eventually forming a continuous film. This process of film deposition is common for traditional semiconductors like silicon or gallium arsenide, but Cornell Univ. scientists are pushing the limits for how thin they can go.

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Students use smarts for damaged hearts

April 30, 2015 8:23 am | by Mike Williams, Rice Univ. | Videos | Comments

A smartphone app created by students at Rice Univ. may someday serve as the ultimate remote to help control the flow of blood through human hearts. The Flowtastic team of Rice senior engineering students created a combined software-hardware interface that works with an Android app to monitor and even control a high-tech pump that resides in the aorta and regulates the flow of blood.

The trillion-frame-per-second camera

April 30, 2015 8:09 am | by Rebecca B. Andersen, The Optical Society | News | Comments

When a crystal lattice is excited by a laser pulse, waves of jostling atoms can travel through the material at close to one sixth the speed of light, or approximately 28,000 mps. Scientists now have a new tool to take movies of such superfast movement in a single shot. Researchers from Japan have developed a new high-speed camera that can record events at a rate of more than one-trillion-frames-per-second.

Illuminating the dark zone

April 30, 2015 8:01 am | by Julie Cohen, Univ. of California, Santa Barbara | News | Comments

The human body is a cross between a factory and a construction zone; at least on the cellular level. Certain proteins act as project managers, which direct a wide variety of processes and determine the fate of the cell as a whole. One group of proteins called the WD-repeat (WDR) family helps a cell choose which of the thousands of possible gene products it should manufacture.

Chirping electrons: Cyclotron radiation from single electrons measured directly for first time

April 29, 2015 11:26 am | by PNNL | News | Comments

A year before Albert Einstein came up with the special theory of relativity, or E=mc2, physicists predicted the existence of something else: cyclotron radiation. Scientists predicted this radiation to be given off by electrons whirling around in a circle while trapped in a magnetic field. Over the last century, scientists have observed this radiation from large ensembles of electrons but never from individual ones. Until now.

Image of the day: Unmasking the secrets of Mercury

April 29, 2015 11:09 am | by NASA | News | Comments

If Mars is the Red Planet, then Mercury is the Rainbow Planet. The MESSENGER spacecraft is the first ever to orbit the planet Mercury, and the spacecraft's seven scientific instruments and radio science investigation are unraveling the history and evolution of the solar system's innermost planet, unveiling beautiful images at the same time.

Why Drafting Standards Play a Vital Role in Engineering Communication?

April 24, 2015 9:10 am | by Gaurang Trivedi, Engineering Consultant, TrueCADD | Articles | Comments

Engineering drawings remain at a core for any manufacturing organization as they communicate ideas that are expected to be transformed into a profitable product. Most companies begin developing engineering drawings using international drafting standards. However, with the course of time, and as the idea begins to shape up, there’s always a deviation from the standards followed.

Real-Time Process Measurement: A Sea Change in Manufacturing

April 24, 2015 8:44 am | by Chad Lieber, VP of Product Development, Prozess Technologies and Brian Sullivan, Director of Sales, Valin Corp. | Articles | Comments

In a world where most information is available in an instant, plant managers and engineers are continuously trying to find ways to improve the efficiency of processes along the manufacturing line. Analyzing these processes can be a difficult task. Until recently, days of laboratory work were often required to analyze any given sample segment or process in a manufacturing line.

Portable MRI could aid wounded soldiers in Third World

April 24, 2015 8:37 am | by Kevin Roark, Los Alamos National Laboratory | News | Comments

Scientists at Los Alamos National Laboratory are developing an ultra-low-field magnetic resonance imaging system that could be low-power and lightweight enough for forward deployment on the battlefield and to field hospitals in the world's poorest regions.

Method takes quantum sensing to a new level

April 24, 2015 8:09 am | by Ron Walli, Oak Ridge National Laboratory | News | Comments

Thermal imaging, microscopy and ultra-trace sensing could take a quantum leap with a technique developed by researchers at Oak Ridge National Laboratory. Their work overcomes fundamental limitations of detection derived from the Heisenberg uncertainty principle, which states that the position and momentum of a particle cannot be measured with absolute precision.

Researchers use novel polarization to increase data speeds

April 24, 2015 7:53 am | by Jay Mwamba, The City College of New York | News | Comments

As the world’s exponentially growing demand for digital data slows the Internet and cell phone communication, City College of New York researchers may have just figured out a new way to increase its speed.

A silver lining

April 24, 2015 7:43 am | by Julie Cohen, Univ. of California, Santa Barbara | News | Comments

The silver used by Beth Gwinn’s research group at the Univ. of California, Santa Barbara, has value far beyond its worth as a commodity, even though it’s used in very small amounts. The group works with the precious metal to create nanoscale silver clusters with unique fluorescent properties. These properties are important for a variety of sensing applications including biomedical imaging.

Breaking Down Barriers: Streamlining Data Management to Boost Knowledge Sharing

April 23, 2015 3:10 pm | by Ian Peirson, Senior Solutions Consultant, IDBS | Articles | Comments

Research in the pharmaceutical and industrial science industries has become increasingly global, multidisciplinary and data-intensive. This is made clear by the evolution in patent approvals, which can also be considered a reliable measure of innovation in these industries. Innovation itself is a cumulative effect, which requires access to multiple fragments of knowledge from disparate sources and exchange of technology and ideas.

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