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Scientists Shed Light on Evolution of Gene Regulation

Scientists at Penn State have shed light on some of the processes that regulate genes -- such as the processes that ensure that proteins are produced at the correct time, place, and amount in an...

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'The photon force is with us': Harnessing light to drive nanomachines

Science fiction writers have long envisioned sailing a spacecraft by the optical force of the sun's light. But, the forces of sunlight are too weak to fill even the oversized sails that have been...

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Using invisibility to increase visibility

Research into the development of invisibility devices has spurred two physicists' thought on the behaviour of light to overcome the seemingly intractable problem of optical singularities which could...

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Breakthrough Made in Metamaterial Optics

(PhysOrg.com) -- Researchers have solved one of the significant remaining challenges with photonic “metamaterials,” discovering a way to prevent the loss of light as it passes through these materials,...

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Photoacoustics useful in cancer research

(PhysOrg.com) -- Photoacoustics can be used to show the development of blood capillaries in and around a tumour. PhD student, Kiran Kumar Thumma, of the University of Twente (Netherlands) is the first...

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Free Electron Lasers and You: An LCLS Primer

(PhysOrg.com) -- In a few short months, the Linac Coherent Light Source will start operation as the world's first hard X-ray free electron laser, pushing SLAC National Accelerator Laboratory to the...

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UV-B light sensing mechanism discovered in plant roots

Scientists have discovered that plant roots can sense UV-B light and have identified a specific gene that is a vital player in UV-B signaling, the communication between cells.

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Getting to the Heart of Stents

(PhysOrg.com) -- Using the Canadian Light Source, a team of researchers from Quebec’s Laval University and Australia’s La Trobe University has discovered how to improve the nanometers-thick layer of...

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Researchers Observe Magnus Effect in Light for First Time

(PhysOrg.com) -- Researchers at the Technion-Israel Institute of Technology have become the first to observe the Magnus effect in light, potentially opening a new avenue for controlling light in...

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Drama in the heart of the Tarantula

Found in the nearby Large Magellanic Cloud, 30 Doradus is one of the largest massive star forming regions close to the Milky Way. Enormous stars in 30 Doradus, also known as the Tarantula Nebula, are...

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'Light within a light' offers CFL efficiency with incandescent bulb shape

(PhysOrg.com) -- In the coming weeks, General Electric will start selling a new "ship in a bottle" lightbulb - a fluorescent spiral bulb trapped inside a traditional incandescent-shaped bulb.

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Cookie cutter in the sky: Seeing the shape of material around black holes for...

Black holes can now be thought of as donut holes. The shape of material around black holes has been seen for the first time: an analysis of over 200 active galactic nuclei—cores of galaxies powered by...

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Seeing the unseen with 'super-resolution' fluorescence microscopy

Thanks to a new "super-resolution" fluorescence microscopy technique, Harvard University researchers have succeeded in resolving the features of cells as miniscule as 20-30 nanometers (nm), an order of...

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The Green (and blue, red, and white) lights of the future

A revolution in energy-efficient, environmentally-sound, and powerfully-flexible lighting is coming to businesses and homes, according to a paper in latest special energy issue of Optics Express, the...

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Bright White Light Coaxed from Unexpected Source

(PhysOrg.com) -- Duke University and United States Army scientists have found that a cheap and nontoxic sunburn and diaper rash preventative can be made to produce brilliant light best suited to the...

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Published reports inaccurate concerning alcohol consumption during pregnancy

A national alcohol research group is concerned that the media's misinterpretation of a recent British research study could encourage pregnant women to be more at ease with temperate alcohol consumption.

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First images from medical beamline at Canadian Light Source

A University of Saskatchewan (U of S)-led research team at the Canadian Light Source (CLS) synchrotron has received an early Christmas present. After several years of research, construction and...

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Efficient organic LEDs a step toward better lights

(PhysOrg.com) -- For those who love "green" compact fluorescent bulbs but hate their cold light, here's some good news: Researchers are closer to flipping the switch on cheaper, richer LED-type room...

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Enhancing solar cells with nanoparticles

Deriving plentiful electricity from sunlight at a modest cost is a challenge with immense implications for energy, technology, and climate policy. A paper in a special energy issue of Optics Express,...

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Gold nanoparticles for controlled drug delivery

(PhysOrg.com) -- Using tiny gold particles and infrared light, MIT researchers have developed a drug-delivery system that allows multiple drugs to be released in a controlled fashion.

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Bright lights, not-so-big pupils

A team of Johns Hopkins neuroscientists has worked out how some newly discovered light sensors in the eye detect light and communicate with the brain. The report appears online this week in Nature.

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Physicists are first to 'squeeze' light to quantum limit

(PhysOrg.com) -- A team of University of Toronto physicists have demonstrated a new technique to squeeze light to the fundamental quantum limit, a finding that has potential applications for...

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Using light to move and trap DNA molecules

(PhysOrg.com) -- A major goal of nanotechnology research is to create a "lab on a chip," in which a tiny biological sample would be carried through microscopic channels for processing. This could make...

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Baby Jupiters must gain weight fast

The planet Jupiter gained weight in a hurry during its infancy. It had to, since the material from which it formed probably disappeared in just a few million years, according to a new study of planet...

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Electronics from the printer

(PhysOrg.com) -- Electronic systems designed to perform simple functions, such as monitor the temperature on a yogurt pot, mustn’t cost much: This is where printed electronics are at an advantage....

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Polarized light pollution leads animals astray

Human-made light sources can alter natural light cycles, causing animals that rely on light cues to make mistakes when moving through their environment. In the journal Frontiers in Ecology and the...

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Spookfish uses mirrors for eyes

A remarkable new discovery shows the four-eyed spookfish to be the first vertebrate ever found to use mirrors, rather than lenses, to focus light in its eyes.

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Software for the discovery of new crystal structures

A new software called QED (Quantitative Electron Diffraction), which has been licensed by Max Planck Innovation, has now been released by HREM Research Inc., a Japan based company, which is developing...

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Foldable display shows no crease after 100,000 folding cycles

(PhysOrg.com) -- One of the most difficult problems for designing mobile devices is finding a way to minimize the size of the device while simultaneously maximizing the size of the display. To get the...

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Quantum dots with built-in charge boost solar cell efficiency by 50%

(PhysOrg.com) -- For the past few years, researchers have been using quantum dots to increase the light absorption and overall efficiency of solar cells. Now, researchers have taken a step further,...

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