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Squid-inspired invisibility stickers to protect soldiers

March 23, 2015 8:21 am | by American Chemical Society | News | Comments

Squid are the ultimate camouflage artists, blending almost flawlessly with their backgrounds so that unsuspecting prey can't detect them. Using a protein that's key to this process, scientists have designed "invisibility stickers" that could one day help soldiers disguise themselves, even when sought by enemies with tough-to-fool infrared cameras.

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Twisted light increases efficiency of quantum cryptography systems

March 23, 2015 8:03 am | by Leonor Sierra, Univ. of Rochester | News | Comments

Researchers at the Univ. of Rochester and their collaborators have developed a way to transfer 2.05 bits per photon by using “twisted light.” This remarkable achievement is possible because the researchers used the orbital angular momentum of the photons to encode information, rather than the more commonly used polarization of light.

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Processing tech converts packing peanuts to battery components

March 23, 2015 7:53 am | by Emil Venere, Purdue Univ. | News | Comments

Researchers have shown how to convert waste packing peanuts into high-performance carbon electrodes for rechargeable lithium-ion batteries that outperform conventional graphite electrodes, representing an environmentally friendly approach to reuse the waste.

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FDA approves genetically engineered potatoes, apples

March 20, 2015 2:06 pm | by Mary Clare Jalonick And Keith Ridler, Associated Press | News | Comments

Potatoes that won't bruise and apples that won't brown are a step closer to U.S. grocery store aisles. The federal Food and Drug Administration on Friday approved the genetically engineered foods, saying they are "as safe and nutritious as their conventional counterparts."

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Self-powered sensors that communicate could warn of bridge, building defects

March 20, 2015 10:28 am | by Tom Oswald, Media Communications, Michigan State Univ. | News | Comments

Imagine a bridge or a dam that could sense a structural defect before it happens, diagnose what the problem will be and alert the authorities before something bad happens. Three Michigan State Univ. researchers are developing a new technology known as substrate computing. This will allow sensing, communication and diagnostic computing, all within the substrate of a structure, using energy harvested from the structure itself.

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Bioinformatics tool for metagenome analysis

March 20, 2015 10:07 am | by Nancy Ambrosiano, Los Alamos National Laboratory | News | Comments

Scientists at Los Alamos National Laboratory have developed a new method for DNA analysis of microbial communities such as those found in the ocean, the soil and our own guts. Metagenomics is the study of entire microbial communities using genomics.

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Lack of effective timing signals could hamper IoT development

March 20, 2015 8:30 am | by Chad Boutin, NIST | News | Comments

Our fast-approaching future of driverless cars and “smart” electrical grids will depend on billions of linked devices making decisions and communicating with split-second precision to prevent highway collisions and power outages. But a new report released by NIST warns that this future could be stalled by our lack of effective methods to marry computers and networks with timing systems.

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Mapping redox switches in cyanobacteria advances use as biofuel

March 20, 2015 8:19 am | by Pacific Northwest National Laboratory | News | Comments

Chemical reactions involving reduction and oxidation, or redox, play a key role in regulating photosynthesis in plants and metabolism in animals and humans, keeping things running on an even keel. Now, in a recently published study, a team of scientists shed light on the role redox plays in cyanobacteria, tiny organisms with the potential to produce a lot of energy.

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U.N. warns world could have 40% water shortfall by 2030

March 20, 2015 8:15 am | by Katy Daigle, AP Environment Writer, Associated Press | News | Comments

The world could suffer a 40% shortfall in water in just 15 years unless countries dramatically change their use of the resource, a U.N. report warned Friday. Many underground water reserves are already running low, while rainfall patterns are predicted to become more erratic with climate change.

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Massive amounts of fresh water, glacial melt pouring into Gulf of Alaska

March 20, 2015 8:00 am | by David Stauth, Oregon State Univ. | News | Comments

Incessant mountain rain, snow and melting glaciers in a comparatively small region of land that hugs the southern Alaska coast and empties fresh water into the Gulf of Alaska would create the sixth largest coastal river in the world if it emerged as a single stream, a recent study shows.

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Theoretical study suggests huge lava tubes could exist on moon

March 20, 2015 7:37 am | by Elizabeth K. Gardner, Purdue Univ. | News | Comments

Lava tubes large enough to house cities could be structurally stable on the moon, according to a theoretical study. The volcanic features are an important target for future human space exploration because they could provide shelter from cosmic radiation, meteorite impacts and temperature extremes.

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New transitory form of silica observed

March 20, 2015 7:28 am | by Carnegie Institute | News | Comments

A Carnegie Institute-led team was able to discover five new forms of silica under extreme pressures at room temperature. Silica is one of the most-abundant natural compounds and a major component of the Earth's crust and mantle. It is well-known even to non-scientists in its quartz crystalline form, which is a major component of sand in many places. It is used in the manufacture of microchips, cement, glass and even some toothpaste.

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U.S. climate change envoy: China, U.S. working closer on deal

March 20, 2015 6:04 am | by Jack Chang, Associated Press | News | Comments

A U.S. envoy for climate change said Friday that China and the U.S. are working more closely than ever ahead of a conference this year in Paris that raises hopes for a global plan to cut greenhouse emissions. Special Envoy Todd Stern told reporters in Beijing that he still expects hard negotiations between many countries in advance of the U.N. summit.

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Plasmonic ceramic materials key to advances in nanophotonics

March 19, 2015 3:52 pm | by Emil Venere, Purdue Univ. | News | Comments

Progress in developing nanophotonic devices capable of withstanding high temperatures and harsh conditions for applications including data storage, sensing, health care and energy will depend on the research community and industry adopting new "plasmonic ceramic" materials, according to a commentary in Science.

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Milky Way’s center unveils supernova “dust factory”

March 19, 2015 3:09 pm | by Blaine Friedlander, Cornell Univ. | News | Comments

Sifting through the center of the Milky Way galaxy, astronomers have made the first direct observations, using an infrared telescope aboard a modified Boeing 747, of cosmic building-block dust resulting from an ancient supernova.

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