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The Lead

Identifying the source of stem cells

October 30, 2014 3:14 pm | News | Comments

When most animals begin life, cells immediately begin accepting assignments to become a head, tail or a vital organ. However, mammalian cells become the protective placenta or to commit to forming the baby. It’s during this critical first step that research from Michigan State Univ. has revealed key discoveries. The results provide insights into where stem cells come from, and could advance research in regenerative medicine.

Making lab-grown tissues stronger

October 30, 2014 3:09 pm | News | Comments

Cartilage, for example, is a hard material that caps the ends of bones and allows joints to work...

After Fukushima, Japan gets green boom … and glut

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

Traumatized by the world's worst nuclear disaster since Chernobyl and encouraged by the highest...

Heart’s own immune cells can help it heal

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

The heart holds its own pool of immune cells capable of helping it heal after injury, according...

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Nikon Small World names winners of 40th anniversary competition

October 30, 2014 2:25 pm | News | 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.

IBM, Repsol launch world’s first cognitive technologies collaboration for the oil industry

October 30, 2014 11:46 am | Videos | Comments

Scientists at IBM and leading global energy company Repsol S.A. announced this week the world’s first research collaboration to leverage cognitive technologies that will help transform the oil and gas industry. IBM and Repsol are jointly developing two prototype cognitive applications specifically designed to augment Repsol’s strategic decision making in the optimization of oil reservoir production and in the acquisition of new oil fields.

Microrockets fueled by water neutralize chemical, biological warfare agents

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

Are my muscular dystrophy drugs working?

October 30, 2014 8:25 am | by Mary Beckman, Pacific Northwest National Laboratory | News | Comments

People with muscular dystrophy could one day assess the effectiveness of their medication with the help of a smartphone-linked device, a new study in mice suggests. The study used a new method to process ultrasound imaging information that could lead to hand-held instruments that provide fast, convenient medical information.

Afingen uses precision method to enhance plants

October 30, 2014 8:17 am | by Julie Chao, Lawrence Berkeley National Laboratory | News | Comments

Imagine being able to precisely control specific tissues of a plant to enhance desired traits without affecting the plant’s overall function. Thus a rubber tree could be manipulated to produce more natural latex. Trees grown for wood could be made with higher lignin content, making for stronger yet lighter-weight lumber.

Tiny nanopores make big impact

October 30, 2014 8:05 am | by Anne M. Stark, Lawrence Livermore National Laboraotry | News | Comments

A team led by the Lawrence Livermore National Laboratory scientists has created a new kind of ion channel consisting of short carbon nanotubes, which can be inserted into synthetic bilayers and live cell membranes to form tiny pores that transport water, protons, small ions and DNA. These carbon nanotube “porins” have significant implications for future health care and bioengineering applications.

Sculpting solar systems: Magnetic fields seen for first time

October 30, 2014 7:50 am | by Liz Ahlberg, Physical Sciences Editor, Univ. of Illinois, Urbana-Champaign | News | Comments

Astronomers have caught their first glimpse of the invisible magnetic fields that sculpt solar systems. Looking at a bright, nearby baby star and the dust swirling in its cradle, astronomers from the Univ. of Illinois and six collaborating institutions were able to make out the shape of the magnetic field surrounding the star.

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Harnessing error-prone chips

October 30, 2014 7:40 am | by Larry Hardesty, MIT News Office | News | Comments

As transistors get smaller, they also grow less reliable. Increasing their operating voltage can help, but that means a corresponding increase in power consumption. With information technology consuming a steadily growing fraction of the world’s energy supplies, some researchers and hardware manufacturers are exploring the possibility of simply letting chips botch the occasional computation.

Projecting a robot’s intentions

October 29, 2014 1:27 pm | by Jennifer Chu, MIT | Videos | Comments

Inside Massachusetts Institute of Technology’s Building 41, a small, Roomba-like robot is trying to decided where to go. As the robot considers its options, its “thoughts” are projected on the ground in the form of different colored dots and lines. This new visualization system, called “measurable virtual reality”, combines projectors with motion-capture technology and animation software to project a robot’s intentions in real time.

Study: Cinematic experience governed by contextual clues, not screen size

October 29, 2014 1:12 pm | News | Comments

If the surroundings are designed to be sufficiently stimulating, even a simple computer screen is enough to generate an intense cinematic experience. After observing some 300 study subjects, researchers in Germany have concluded that the angle of viewing does not play a vital role in the cinematic experience. Instead, the presence of so-called contextual visual cues plays a greater role in actually drawing viewers into a movie.

Scientists rank thousands of substances according to potential exposure level

October 29, 2014 1:09 pm | News | Comments

An overwhelming number of chemicals from household and industrial products are in the environment, and hundreds are in our bodies. But for most of them, scientists have yet to determine whether they cause health problems. Now they’ve taken the first step toward doing that by estimating which substances people are exposed to the most.

With phased-array radar, electrical engineers aim to make car travel safer

October 29, 2014 12:55 pm | News | Comments

Electrical engineers from the Univ. of California, San Diego have developed hardware for a new generation of automotive radar systems designed to keep drivers, and the pedestrians around them they may not see, safe. Their project is part of an initiative led by Toyota Technical Center that won a 2014 R&D 100 Award for its “Automotive Phased Array Radar.”

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Imaging electrons moving at 80,000 m/sec in a semiconductor

October 29, 2014 12:45 pm | News | Comments

Researchers in Japan have directly observed and recorded electron flow at 80,000 m/sec in a semiconductor. They did so by combining a new laser pulse light source and a photoemission electron microscope to develop an ultra high-speed microscope that enabled visualization of electrons on a 20 nm and 200 femtosec scale.

Nano ruffles in brain matter

October 29, 2014 12:37 pm | News | Comments

An accumulation of amyloid-beta proteins deposits called plaques is known to cause Alzheimer’s disease. One aspect of this illness that has not received much attention is which role the structure of the brain environment plays. Researchers have discovered that macromolecules like astrocytes provide well-defined physical cues in the form of ruffles that have a crucial role in promoting healthy interactions between cells in the hippocampus.

Liquid Dispersion Unit

October 29, 2014 12:26 pm | Product Releases | Comments

The new Mastersizer 3000 Hydro SV small volume liquid dispersion unit is a simple, easy to use wet dispersion accessory that extends smarter particle sizing to small volume measurement by making it possible to both develop and apply wet dispersion using just 6 mL of sample.

Smart Camera Support Software

October 29, 2014 12:19 pm | Product Releases | Comments

Microscan has announced the launch of Visionscape I-PAK VH, a software solution that brings the capabilities of the company’s latest Vision HAWK Smart Cameras to a simple, adaptable machine vision inspection interface.

Russians deliver space station cargo after U.S. flop

October 29, 2014 10:28 am | by Brock Vergakis - Associated Press - Associated Press | News | Comments

The company behind the dramatic launch explosion of a space station supply mission promises to find the cause of the failure and is warning residents to avoid any potentially hazardous wreckage. Orbital Sciences Corp.'s unmanned Antares rocket blew up just moments after liftoff Tuesday evening from the Virginia coast.

Nanoparticle safety: The quest for the gold standard

October 29, 2014 9:53 am | News | Comments

Researching the safety of nanoparticles is all the rage. Thousands of scientists worldwide are conducting research on the topic, examining the question of whether titanium dioxide nanoparticles or carbon nanotubes can get into the body’s lungs or blood. However, the amount of new knowledge has only increased marginally. How do nanoparticles get into the body? Researchers in Switzerland are attempting to establish standards.

ECG on the run: Continuous surveillance of marathon athletes is feasible

October 29, 2014 9:40 am | News | Comments

The condition of an athlete's heart has for the first time been accurately monitored throughout the duration of a marathon race. The real-time monitoring was achieved by continuous electrocardiogram (ECG) surveillance and data transfer over a public mobile phone network. The new development allows instantaneous diagnosis of potentially fatal rhythm disorders.

Researchers prove mathematical models can predict cellular processes

October 29, 2014 9:33 am | News | Comments

A team led by Virginia Tech researchers studied cells found in breast and other types of connective tissue and discovered new information about cell transitions that take place during wound healing and cancer. They developed mathematical models to predict the dynamics of cell transitions, and by comparison gained new understanding of how a substance known as transforming growth factor triggers cell transformations.

Scientists discover exact receptor for DEET that repels mosquitoes

October 29, 2014 9:24 am | News | Comments

DEET has been the gold standard of insect repellents for more than six decades, and now researchers led by a Univ. of California, Davis, scientist have discovered the exact odorant receptor that repels them. They also have identified a plant defensive compound that might mimic DEET, a discovery that could pave the way for better and more affordable insect repellents.

Blood test may help to diagnose pancreatic cancer

October 29, 2014 9:16 am | News | Comments

Cancer researchers have found that a simple blood test might help diagnose pancreatic cancer, one of the most deadly forms of the disease. In new research at Indiana Univ., scientists have found that several microRNAs, which are small RNA molecules, circulate at high levels in the blood of pancreatic cancer patients.

Supply rocket headed to space station explodes

October 28, 2014 9:28 pm | by Marcia Dunn - AP Aerospace Writer - Associated Press | News | Comments

An unmanned commercial supply rocket bound for the International Space Station exploded moments after liftoff Tuesday evening, with debris falling in flames over the launch site in Virginia. No injuries were reported following the first catastrophic launch in NASA's commercial spaceflight effort.

Can the wave function of an electron be divided and trapped?

October 28, 2014 5:55 pm | News | Comments

Electrons are elementary particles, indivisible, unbreakable. But new research at Brown Univ. suggests the electron's quantum state, known as the electron wave function, can be separated into many parts and trapped in tiny bubbles of liquid helium. That has some strange implications for the theory of quantum mechanics.

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