Science

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Saturn Spacecraft Returns to the Realm of Icy Moons

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After a couple of years in high-inclination orbits that limited its ability to encounter Saturn's moons

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EU successfully launches two Galileo satellites

Galileo, the EU's satellite navigation programme, has just placed two more satellites into orbit. The lift-off took place on 27 March at 22.46 CET from the European spaceport near Kourou in French Guiana. We have received signals proving that they were positioned as expected.

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A first glimpse inside a macroscopic quantum state

In a recent study published in Physical Review Letters and highlighted by the magazine Science News, the research group led by ICREA Prof at ICFO Morgan Mitchell has detected, for the first time, entanglement among individual photon pairs in a beam of squeezed light.

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This is an artist's impression of a beam of entangled photons.

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Nanoscale worms provide new route to nano-necklace structures

Researchers have developed a novel technique for crafting nanometer-scale necklaces based on tiny star-like structures threaded onto a polymeric backbone. The technique could provide a new way to produce hybrid organic-inorganic shish kebab structures from semiconducting, magnetic, ferroelectric and other materials that may afford useful nanoscale properties.

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This schematic shows the synthesis of organic-inorganic shish kebab-like nanohybrids composed of periodic nanodisk-like kebabs.

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It's 'Full Spin Ahead' for NASA Soil Moisture Mapper

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SMAP will produce global maps of soil moisture, which will help improve our understanding of Earth's water and carbon cycles and our ability to manage water resources.

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Novel nanoparticle therapy promotes wound healing

An experimental therapy developed by researchers at Albert Einstein College of Medicine of Yeshiva University cut in half the time it takes to heal wounds compared to no treatment at all. Details of the therapy, which was successfully tested in mice, were published online in the Journal of Investigative Dermatology.

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Imaging of burns indicates that those treated with the FL2 inhibitor nanotechnology experienced collagen deposition and hair follicle formation. (2-photo confocal microscopy).

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Scars on Mars from 2012 Rover Landing Fade -- Usually

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This sequence of images shows a blast zone where the sky crane from NASA's Curiosity rover mission hit the ground after setting the rover down in August 2012, and how that dark scar's appearance changed over the subsequent 30 months.

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Year in Space Starts for One American and One Russian

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The Soyuz TMA-16M spacecraft is seen as it launches to the International Space Station with Expedition 43's NASA Astronaut Scott Kelly and Russian cosmonauts Mikhail Kornienko and Gennady Padalka of the Russian Federal Space Agency (Roscosmos) onboard Friday, March 27 (Saturday, March 28 Kazakh time) from the Baikonur Cosmodrome in Kazakhstan.

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Chemists make new silicon-based nanomaterials

In a paper published in the journal Nanoletters, the researchers describe methods for making nanoribbons and nanoplates from a compound called silicon telluride. The materials are pure, p-type semiconductors (positive charge carriers) that could be used in a variety of electronic and optical devices. Their layered structure can take up lithium and magnesium, meaning it could also be used to make electrodes in those types of batteries.

"Silicon-based compounds are the backbone of modern electronics processing," said Kristie Koski, assistant professor of chemistry at Brown, who led the work. "Silicon telluride is in that family of compounds, and we've shown a totally new method for using it to make layered, two-dimensional nanomaterials."

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How green tea could help improve MRIs

Green tea's popularity has grown quickly in recent years. Its fans can drink it, enjoy its flavor in their ice cream and slather it on their skin with lotions infused with it. Now, the tea could have a new, unexpected role — to improve the image quality of MRIs. Scientists report in the journal ACS Applied Materials & Interfaces that they successfully used compounds from green tea to help image cancer tumors in mice.

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Compounds from green tea could boost the quality of biomedical imaging.

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