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Nikon Small World names winners of 40th anniversary competition

October 30, 2014 | Comments

Nikon Instruments, Inc. has revealed the winners of the 40th annual Nikon Small World Photomicrography Competition, awarding first prize to veteran competitor Rogelio Moreno of Panama for capturing a rarely seen image of a rotifer’s open mouth interior and heart-shaped corona.

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They know the drill: UW leads the league in boring through ice sheets

October 31, 2014 10:10 am | by David Tenenbaum, Univ. of Wisconsin | Comments

Wisconsin is famous for its ice fishers. Less well known are the state’s big-league ice drillers. Hollow coring drills designed and managed by the Univ. of Wisconsin-Madison have been instrumental to new research published this week documenting carbon dioxide in the atmosphere between 23,000 and 9,000 years ago, based on data from an 11,000-foot hole in Antarctica.

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“Swiss cheese” membrane with variable holes

October 31, 2014 10:01 am | Comments

A new membrane, developed scientists in the Netherlands, can be made more or less porous “on demand”. In this way, smart switching between “open” and “closed” is possible, which opens the way to innovative applications in biosensors, chemical analysis and catalysis.

Heart-therapy researchers develop nanobullet drug delivery system

October 31, 2014 9:52 am | Comments

Stanford Univ. School of Medicine researchers have developed a new formula for delivering the therapeutic peptide apelin to heart tissue for treatment of hypertrophy, a hereditary disease commonly attributed to sudden death in athletes. The nanoscale delivery system, which dramatically increases the peptide’s stability, shows promise for treating heart disease in humans, the researchers said.

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Microsoft unveils fitness gadget, health tracking

October 31, 2014 9:17 am | by Anick Jesdanun, AP Technology Writer | Comments

Microsoft is releasing a $199 fitness band that also checks your email and even pays for coffee as the software company seeks to challenge Apple and others in the still-infant market for wearable devices. The Microsoft Band will work with the company's new Microsoft Health system for consolidating health and fitness data from various gadgets and mobile apps.

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Making lab-grown tissues stronger

October 31, 2014 8:54 am | by Andy Fell, UC Davis News Service | Comments

Lab-grown tissues could one day provide new treatments for injuries and damage to the joints, including articular cartilage, tendons and ligaments. Cartilage, for example, is a hard material that caps the ends of bones and allows joints to work smoothly. Univ. of California, Davis biomedical engineers, exploring ways to toughen up engineered cartilage and keep natural tissues strong outside the body, report new developments.

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Lack of oxygen delayed the appearance of animals on Earth

October 31, 2014 8:44 am | by Jim Shelton, Yale Univ. | Comments

Scientists have long speculated as to why animal species didn’t flourish sooner, once sufficient oxygen covered the Earth’s surface. Animals began to prosper at the end of the Proterozoic period, about 800 million years ago. But what about the billion-year stretch before that, when most researchers think there also was plenty of oxygen? Well, it seems the air wasn’t so great then, after all.

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Lord of the microrings

October 31, 2014 8:39 am | by Lynn Yarris, Lawrence Berkeley National Laboratory | Comments

A significant breakthrough in laser technology has been reported by Lawrence Berkeley National Laboratory and the Univ. of California, Berkeley. The team of scientists have developed a unique microring laser cavity that can produce single-mode lasing even from a conventional multi-mode laser cavity.

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Self-driving vehicles generate enthusiasm, concerns worldwide

October 31, 2014 8:22 am | by Bernie DeGroat, Univ. of Michigan | Comments

Despite safety concerns about equipment failure, a majority of drivers on three continents have high expectations for autonomous vehicles. Building on an earlier study on public opinion regarding self-driving vehicles in the U.S., Great Britain and Australia, a team from the Univ. of Michigan Transportation Research Institute expanded their survey to include more than 1,700 respondents in India, China and Japan.

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Climate change beliefs more influenced by long-term temperature fluctuations

October 31, 2014 8:14 am | by Phil Ciciora, Business & Law Editor, Univ. of Illinois, Urbana-Champaign | Comments

In spite of the broad scientific consensus about its existence, global warming remains a contentious public policy issue. Yet it’s also an issue that requires a public consensus to support policies that might curb or counteract it. According to research, the task of educating the public about climate change might be made easier or more difficult depending on their perception of short-term versus long-term temperature changes.

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Raising cryptography’s standards

October 31, 2014 8:07 am | by Larry Hardesty, MIT News Office | Comments

Most modern cryptographic schemes rely on computational complexity for their security. In principle, they can be cracked, but that would take a prohibitively long time, even with enormous computational resources. There is, however, another notion of security—information-theoretic security—which means that even an adversary with unbounded computational power could extract no useful information from an encrypted message.

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Making lab-grown tissues stronger

October 30, 2014 3:09 pm | Comments

Cartilage, for example, is a hard material that caps the ends of bones and allows joints to work smoothly, but engineered replacement tissue is, mechanically, far from native tissue. Researchers in California report the use of an enzyme that has greatly improved engineering cartilage built from cultures. It promotes cross-linking and makes the material stronger.

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After Fukushima, Japan gets green boom … and glut

October 30, 2014 3:01 pm | by Yuri Kageyama, AP Business Writer | Comments

Traumatized by the world's worst nuclear disaster since Chernobyl and encouraged by the highest rates for renewable energy in the world, Japan has been undergoing a green boom. It's now rapidly turning into a fiasco as the cost proves prohibitive and utilities anticipate putting some nuclear reactors back online. The utilities say they can't accommodate the flood of newcomers to the green energy business.

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Heart’s own immune cells can help it heal

October 30, 2014 2:55 pm | by Julia Evangelou Strait, Washington Univ. in St. Louis | Comments

The heart holds its own pool of immune cells capable of helping it heal after injury, according to new research in mice at Washington University School of Medicine in St. Louis. When the heart is injured, beneficial immune cells are often supplanted by bone marrow cells, which cause damaging inflammation. In a mouse model, researchers showed that blocking the bone marrow’s macrophages protects the organ’s beneficial pool of macrophages.

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Microrockets fueled by water neutralize chemical, biological warfare agents

October 30, 2014 8:46 am | by American Chemical Society | Comments

With fears growing over chemical and biological weapons falling into the wrong hands, scientists are developing microrockets to fight back against these dangerous agents, should the need arise. In ACS Nano, they describe new spherical micromotors that rapidly neutralize chemical and biological agents and use water as fuel.

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NIST “combs” atmosphere to measure greenhouse gases

October 30, 2014 8:36 am | by Laura Ost, NIST | Comments

By remotely "combing" the atmosphere with a custom laser-based instrument, researchers from NIST, in collaboration with researchers from the National Oceanic and Atmospheric Administration (NOAA), have developed a new technique that can accurately measure—over a sizeable distance—amounts of several of the major "greenhouse" gases implicated in climate change.

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